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Atlantis Charter School

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2024 Official Accountability Report - Atlantis Charter School

Organization Information
DISTRICT NAME
Atlantis Charter (District) (04910000)
TITLE I STATUS
Title I School
SCHOOL
Atlantis Charter School (04910550)
GRADES SERVED
K,01,02,03,04,05,06,07,08,09,10,11,12
REGION
Coastal
FEDERAL DESIGNATION
-

Accountability Information

Overall classificationNot requiring assistance or intervention
Reason for classification
Moderate progress toward targets
Progress toward improvement targetsAccountability percentile
42% - Moderate progress toward targets41

Overall progress toward improvement targets

 20232024
Annual criterion-referenced target percentage32%49%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2023 x 40%) + (2024 x 60%)
42%
Moderate progress toward targets

2024 Points awarded

2024 Progress toward improvement targets
Indicator All Students
(Non-high school grades)
Lowest Performing Students
(Non-high school grades)
All Students
(High school grades)
Lowest Performing Students
(High school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight % Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement14-24-44----
Mathematics achievement24-24-44----
Science achievement24----24----
Achievement total51260.04867.5101240.0---
GrowthEnglish language arts growth24-24-24----
Mathematics growth24-24-24----
Growth total4820.04822.54820.0---
High school completionFour-year cohort graduation rate------24----
Extended engagement rate------04----
Annual dropout rate------34----
High school completion total------51220.0---
Progress toward attaining English language proficiencyEnglish language proficiency total0410.0---2410.0---
Additional indicatorsChronic absenteeism24-24-04----
Advanced coursework completion------04----
Additional indicators total2410.02410.00810.0---
Weighted total4.09.6-3.87.6-6.010.0----
Percentage of possible points 42%-50%-60%---
Percentage of possible points by gradespan46%
Weight of non-high school results:77%
60%
Weight of high school results:23%
2024 Annual criterion-referenced target percentage49%

2023 Points awarded

2023 Progress toward improvement targets
Indicator All Students
(Non-high school grades)
Lowest Performing Students
(Non-high school grades)
All Students
(High school grades)
Lowest Performing Students
(High school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight % Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement04-04-44----
Mathematics achievement04-24-04----
Science achievement04----24----
Achievement total01260.02867.561240.0---
GrowthEnglish language arts growth24-24-24----
Mathematics growth14-24-14----
Growth total3820.04822.53820.0---
High school completionFour-year cohort graduation rate------04----
Extended engagement rate------44----
Annual dropout rate------44----
High school completion total------81220.0---
Progress toward attaining English language proficiencyEnglish language proficiency total4410.0---0410.0---
Additional indicatorsChronic absenteeism44-44-44----
Advanced coursework completion------44----
Additional indicators total4410.04410.08810.0---
Weighted total1.49.6-2.77.6-5.410.0----
Percentage of possible points 15%-36%-54%---
Percentage of possible points by gradespan25%
Weight of non-high school results:75%
54%
Weight of high school results:25%
2023 Annual criterion-referenced target percentage32%

Student group percentile

This group's overall performance relative to the performance of the same student group in schools serving similar grades
45

Overall progress toward improvement targets

 20232024
Annual criterion-referenced target percentage20%28%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2023 x 40%) + (2024 x 60%)
24%
Limited or no progress toward targets

2024 Points awarded

2024 Progress toward improvement targets
Indicator High Needs Student Group
(Non-high school grades)
High Needs Student Group
(High school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement04-24-
Mathematics achievement24-24-
Science achievement04-14-
Achievement total21267.551247.5
GrowthEnglish language arts growth24-24-
Mathematics growth24-24-
Growth total4822.54822.5
High school completionFour-year cohort graduation rate---14-
Extended engagement rate---04-
Annual dropout rate---34-
High school completion total---41220.0
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism24-04-
Advanced coursework completion---04-
Additional indicators total2410.00810.0
Weighted total2.510.3-4.110.7-
Percentage of possible points 24%-38%-
Percentage of possible points by gradespan24%
Weight of non-high school results:77%
38%
Weight of high school results:23%
2024 Annual criterion-referenced target percentage28%

2023 Points awarded

2023 Progress toward improvement targets
Indicator High Needs Student Group
(Non-high school grades)
High Needs Student Group
(High school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement04-24-
Mathematics achievement04-04-
Science achievement04-24-
Achievement total01267.541247.5
GrowthEnglish language arts growth24-24-
Mathematics growth14-14-
Growth total3822.53822.5
High school completionFour-year cohort graduation rate---04-
Extended engagement rate---44-
Annual dropout rate---44-
High school completion total---81220.0
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism44-44-
Advanced coursework completion---44-
Additional indicators total4410.08810.0
Weighted total1.110.3-5.010.7-
Percentage of possible points 11%-47%-
Percentage of possible points by gradespan11%
Weight of non-high school results:75%
47%
Weight of high school results:25%
2023 Annual criterion-referenced target percentage20%

Detailed data for each indicator

English language arts achievement - MCAS average composite scaled score - Non-high school
Group 2023 Achievement 2024 Achievement Change 2024 Target N Points Reason
All Students 486.1 485.8 -0.3 489.4 6401Recovery Path: No Change
Lowest Performing 460.2 462.6 2.4 465.3 1342Path Forward: Improved Below Target
High Needs 481.9 481.3 -0.6 484.6 4510Recovery Path: Declined
English Learners and Former English Learners 477.3 475.1 -2.2 479.8 1560Path Forward: Declined
Low Income 483.4 482.5 -0.9 486.5 3910Recovery Path: Declined
Students with Disabilities 460.2 462.7 2.5 463.5 1042Path Forward: Improved Below Target
American Indian or Alaska Native---- 1--
Asian---- 14--
Black or African American 485.5 488.1 2.6 488.8 412Path Forward: Improved Below Target
Hispanic or Latino 480.6 479.0 -1.6 483.1 970Path Forward: Declined
Multi-Race, Not Hispanic or Latino 486.2 485.0 -1.2 488.5 410Path Forward: Declined
Native Hawaiian or Other Pacific Islander---- 1--
White 487.0 487.1 0.1 490.2 4452Recovery Path: Improved Below Target

English language arts achievement - MCAS average composite scaled score - High school
Group 2023 Achievement 2024 Achievement Change 2024 Target N Points Reason
All Students 492.0 496.4 4.4 494.4 594Recovery Path: Exceeded Target
Lowest Performing---- 19--
High Needs 487.4 489.2 1.8 490.7 422Path Forward: Improved Below Target
English Learners and Former English Learners---- 13--
Low Income 486.3 490.3 4.0 489.1 384Path Forward: Exceeded Target
Students with Disabilities---- 11--
American Indian or Alaska Native---- 1--
Asian---- 1--
Black or African American---- 2--
Hispanic or Latino---- 14--
Multi-Race, Not Hispanic or Latino---- 2--
Native Hawaiian or Other Pacific Islander-------
White 492.2 497.7 5.5 494.9 394Recovery Path: Exceeded Target

Mathematics achievement - MCAS average composite scaled score - Non-high school
Group 2023 Achievement 2024 Achievement Change 2024 Target N Points Reason
All Students 484.1 485.1 1.0 486.4 6392Recovery Path: Improved Below Target
Lowest Performing 462.7 466.9 4.2 467.9 1342Recovery Path: Improved Below Target
High Needs 480.8 481.4 0.6 483.0 4512Recovery Path: Improved Below Target
English Learners and Former English Learners 477.8 476.3 -1.5 481.3 1560Path Forward: Declined
Low Income 481.5 482.3 0.8 483.3 3912Recovery Path: Improved Below Target
Students with Disabilities 465.3 467.5 2.2 468.7 1042Path Forward: Improved Below Target
American Indian or Alaska Native---- 1--
Asian---- 14--
Black or African American 481.9 484.7 2.8 485.2 413Path Forward: Met Target
Hispanic or Latino 479.1 480.1 1.0 481.7 972Path Forward: Improved Below Target
Multi-Race, Not Hispanic or Latino 482.8 486.4 3.6 485.3 414Path Forward: Exceeded Target
Native Hawaiian or Other Pacific Islander---- 1--
White 484.9 485.9 1.0 487.2 4442Recovery Path: Improved Below Target

Mathematics achievement - MCAS average composite scaled score - High school
Group 2023 Achievement 2024 Achievement Change 2024 Target N Points Reason
All Students 487.2 492.2 5.0 488.9 564Recovery Path: Exceeded Target
Lowest Performing---- 19--
High Needs 483.0 484.9 1.9 487.1 402Path Forward: Improved Below Target
English Learners and Former English Learners---- 12--
Low Income 481.8 486.0 4.2 485.8 373Path Forward: Met Target
Students with Disabilities---- 10--
American Indian or Alaska Native---- 1--
Asian---- 1--
Black or African American---- 2--
Hispanic or Latino---- 14--
Multi-Race, Not Hispanic or Latino---- 2--
Native Hawaiian or Other Pacific Islander-------
White 485.1 494.4 9.3 486.8 364Recovery Path: Exceeded Target

Science achievement - MCAS average composite scaled score - Non-high school
Group 2023 Achievement 2024 Achievement Change 2024 Target N Points Reason
All Students 485.4 486.9 1.5 489.0 2142Path Forward: Improved Below Target
Lowest Performing---- 52--
High Needs 482.1 480.7 -1.4 485.9 1340Path Forward: Declined
English Learners and Former English Learners 480.9 469.2 -11.7 485.0 380Path Forward: Declined
Low Income 483.5 481.4 -2.1 487.5 1200Path Forward: Declined
Students with Disabilities 463.4 466.5 3.1 467.2 322Path Forward: Improved Below Target
American Indian or Alaska Native---- 1--
Asian---- 5--
Black or African American---- 15--
Hispanic or Latino 478.5 473.8 -4.7 482.1 270Path Forward: Declined
Multi-Race, Not Hispanic or Latino---- 7--
Native Hawaiian or Other Pacific Islander---- 1--
White 485.0 489.2 4.2 488.7 1583Path Forward: Met Target

Science achievement - MCAS average composite scaled score - High school
Group 2023 Achievement 2024 Achievement Change 2024 Target N Points Reason
All Students 484.0 486.6 2.6 491.0 492Recovery Path: Improved Below Target
Lowest Performing---- 19--
High Needs 478.9 478.8 -0.1 484.4 331Recovery Path: No Change
English Learners and Former English Learners---- 10--
Low Income 478.8 478.7 -0.1 484.3 301Recovery Path: No Change
Students with Disabilities---- 10--
American Indian or Alaska Native-------
Asian---- 1--
Black or African American---- 1--
Hispanic or Latino---- 11--
Multi-Race, Not Hispanic or Latino---- 2--
Native Hawaiian or Other Pacific Islander-------
White 483.5 491.3 7.8 490.0 344Recovery Path: Exceeded Target

English language arts growth - Non-high school
Group 2024 Mean SGP N Points Reason
All Students 43.7 5262Typical Growth - Low
Lowest Performing 47.4 1322Typical Growth - Low
High Needs 42.3 3642Typical Growth - Low
English Learners and Former English Learners 43.1 1182Typical Growth - Low
Low Income 41.5 3172Typical Growth - Low
Students with Disabilities 41.0 802Typical Growth - Low
American Indian or Alaska Native----
Asian- 10--
Black or African American 44.3 342Typical Growth - Low
Hispanic or Latino 45.1 752Typical Growth - Low
Multi-Race, Not Hispanic or Latino 37.5 321Low Growth
Native Hawaiian or Other Pacific Islander- 1--
White 43.9 3742Typical Growth - Low

English language arts growth - High school
Group 2024 Mean SGP N Points Reason
All Students 48.5 532Typical Growth - Low
Lowest Performing- 19--
High Needs 49.9 372Typical Growth - Low
English Learners and Former English Learners- 10--
Low Income 51.9 343Typical Growth - High
Students with Disabilities- 11--
American Indian or Alaska Native- 1--
Asian- 1--
Black or African American- 1--
Hispanic or Latino- 12--
Multi-Race, Not Hispanic or Latino- 1--
Native Hawaiian or Other Pacific Islander----
White 45.1 372Typical Growth - Low

Mathematics growth - Non-high school
Group 2024 Mean SGP N Points Reason
All Students 43.4 5252Typical Growth - Low
Lowest Performing 45.4 1322Typical Growth - Low
High Needs 42.2 3642Typical Growth - Low
English Learners and Former English Learners 42.8 1182Typical Growth - Low
Low Income 42.2 3172Typical Growth - Low
Students with Disabilities 43.3 802Typical Growth - Low
American Indian or Alaska Native----
Asian- 10--
Black or African American 40.0 342Typical Growth - Low
Hispanic or Latino 44.2 752Typical Growth - Low
Multi-Race, Not Hispanic or Latino 43.8 322Typical Growth - Low
Native Hawaiian or Other Pacific Islander- 1--
White 43.7 3732Typical Growth - Low

Mathematics growth - High school
Group 2024 Mean SGP N Points Reason
All Students 47.5 512Typical Growth - Low
Lowest Performing- 19--
High Needs 46.9 362Typical Growth - Low
English Learners and Former English Learners- 10--
Low Income 48.5 342Typical Growth - Low
Students with Disabilities- 10--
American Indian or Alaska Native- 1--
Asian- 1--
Black or African American- 1--
Hispanic or Latino- 12--
Multi-Race, Not Hispanic or Latino- 1--
Native Hawaiian or Other Pacific Islander----
White 47.7 352Typical Growth - Low

Four-year cohort graduation rate - High school
Group 2022 Rate (%) 2023 Rate (%) Change Target (%) N Points Reason
All Students 90.9 92.7 1.8 93.4 822Improved Below Target
Lowest Performing-------
High Needs 91.7 91.3 -0.4 95.0 691No Change
English Learners and Former English Learners---- 20--
Low Income 93.1 93.5 0.4 95.0 622Improved Below Target
Students with Disabilities---- 20--
American Indian or Alaska Native-------
Asian---- 1--
Black or African American---- 8--
Hispanic or Latino---- 18--
Multi-Race, Not Hispanic or Latino---- 2--
Native Hawaiian or Other Pacific Islander-------
White 90.6 88.7 -1.9 92.9 530Declined

Extended engagement rate - High school
Group 2021 Rate (%) 2022 Rate (%) Change Target (%) N Points Reason
All Students 98.8 92.2 -6.6 95.0 770Declined
Lowest Performing-------
High Needs 98.2 93.3 -4.9 95.0 600Declined
English Learners and Former English Learners---- 14--
Low Income 98.2 94.8 -3.4 95.0 583Met Target
Students with Disabilities---- 13--
American Indian or Alaska Native---- 1--
Asian---- 2--
Black or African American---- 6--
Hispanic or Latino---- 15--
Multi-Race, Not Hispanic or Latino-------
Native Hawaiian or Other Pacific Islander-------
White 98.4 92.5 -5.9 95.0 530Declined

Annual dropout rate - High school
Group 2022 Rate (%) 2023 Rate (%) Change Target (%) N Points Reason
All Students 0.3 0.7 0.4 1.0 2953Met Target
Lowest Performing-------
High Needs 0.4 0.9 0.5 1.0 2193Met Target
English Learners and Former English Learners---- 61--
Low Income 0.5 1.1 0.6 1.0 1860Declined
Students with Disabilities---- 53--
American Indian or Alaska Native-------
Asian---- 5--
Black or African American---- 18--
Hispanic or Latino---- 79--
Multi-Race, Not Hispanic or Latino---- 11--
Native Hawaiian or Other Pacific Islander-------
White 0.0 1.1 1.1 1.0 1820Declined

Progress toward attaining English language proficiency - Non-high school
Group 2023 Rate (%) 2024 Rate (%) Change Target N Points Reason
All Students 49.2 43.1 -6.1 53.2 1440Declined
Lowest Performing-------
High Needs-------
English Learners and Former English Learners 49.2 43.1 -6.1 53.2 1440Declined
Low Income-------
Students with Disabilities-------
American Indian or Alaska Native-------
Asian-------
Black or African American-------
Hispanic or Latino-------
Multi-Race, Not Hispanic or Latino-------
Native Hawaiian or Other Pacific Islander-------
White-------

Progress toward attaining English language proficiency - High school
Group 2023 Rate (%) 2024 Rate (%) Change Target N Points Reason
All Students 14.5 16.3 1.8 20.0 492Improved Below Target
Lowest Performing-------
High Needs-------
English Learners and Former English Learners-------
Low Income-------
Students with Disabilities-------
American Indian or Alaska Native-------
Asian-------
Black or African American-------
Hispanic or Latino-------
Multi-Race, Not Hispanic or Latino-------
Native Hawaiian or Other Pacific Islander-------
White-------

Chronic absenteeism - Non-high school
Group 2023 Rate (%) 2024 Rate (%) Change Target N Points Reason
All Students 21.6 21.3 -0.3 20.1 8962Improved Below Target
Lowest Performing 22.5 19.4 -3.1 17.9 1342Improved Below Target
High Needs 25.5 25.0 -0.5 23.1 6442Improved Below Target
English Learners and Former English Learners 24.6 24.3 -0.3 21.1 2182Improved Below Target
Low Income 26.5 27.4 0.9 23.3 5590Declined
Students with Disabilities 38.1 26.5 -11.6 34.5 1514Exceeded Target
American Indian or Alaska Native---- 1--
Asian---- 20--
Black or African American 17.9 16.4 -1.5 14.3 612Improved Below Target
Hispanic or Latino 22.5 26.2 3.7 18.3 1410Declined
Multi-Race, Not Hispanic or Latino 17.3 17.9 0.6 15.8 670Declined
Native Hawaiian or Other Pacific Islander---- 1--
White 22.6 21.3 -1.3 20.8 6053Met Target

Chronic absenteeism - High school
Group 2023 Rate (%) 2024 Rate (%) Change Target N Points Reason
All Students 41.9 42.6 0.7 39.6 2820Declined
Lowest Performing---- 19--
High Needs 47.4 48.6 1.2 43.6 2220Declined
English Learners and Former English Learners---- 78--
Low Income 46.9 48.0 1.1 41.8 1960Declined
Students with Disabilities---- 58--
American Indian or Alaska Native---- 2--
Asian---- 7--
Black or African American---- 21--
Hispanic or Latino---- 81--
Multi-Race, Not Hispanic or Latino---- 16--
Native Hawaiian or Other Pacific Islander-------
White 41.5 45.8 4.3 39.0 1550Declined

Advanced coursework completion - High school
Group 2023 Rate (%) 2024 Rate (%) Change Target N Points Reason
All Students 76.4 51.1 -25.3 80.5 1390Declined
Lowest Performing-------
High Needs 72.1 42.9 -29.2 78.2 1050Declined
English Learners and Former English Learners---- 38--
Low Income 73.6 44.1 -29.5 80.4 930Declined
Students with Disabilities---- 29--
American Indian or Alaska Native-------
Asian---- 4--
Black or African American---- 9--
Hispanic or Latino---- 45--
Multi-Race, Not Hispanic or Latino---- 6--
Native Hawaiian or Other Pacific Islander-------
White 78.6 49.3 -29.3 82.7 750Declined

Assessment participation - All students
Group English language arts Mathematics Science
Enrolled Assessed % Met Target? Years in Rate Enrolled Assessed % Met Target? Years in Rate Enrolled Assessed % Met Target? Years in Rate
All Students 710 710100Yes 1 707 706100Yes 1 276 276100Yes 1

Assessment participation - Student Group
Group English language arts Mathematics Science Overall
Enrolled Assessed Enrolled Assessed Enrolled Assessed Total Enrolled Total Assessed % Met Target? Years in Rate
High Needs 503 503 501 501 179 179 1,183 1,183100Yes1
English Learners and Former English Learners 174 174 173 173 53 53 400 400100Yes1
Low Income 438 438 437 437 161 161 1,036 1,036100Yes1
Students with Disabilities 116 116 115 115 43 43 274 274100Yes1
American Indian or Alaska Native 2 2 2 2 2 2 6----
Asian 15 15 15 15 6 6 36----
Black or African American 45 45 45 45 17 17 107 107100Yes1
Hispanic or Latino 114 114 114 114 42 42 270 270100Yes1
Multi-Race, Not Hispanic or Latino 44 44 44 44 10 10 98 98100Yes1
Native Hawaiian or Other Pacific Islander 1 1 1 1 1 1 3----
White 489 489 486 485 198 198 1,173 1,172100Yes1


About this report

Overall classification: All Massachusetts districts and schools with sufficient data are classified into one of two accountability categories: districts and schools requiring assistance or intervention, and districts and schools not requiring assistance or intervention. The reason(s) for the district's or school's classification are noted on this report.

Progress toward improvement targets: The criterion-referenced target percentage combines multiple years of data related to achievement, growth, high school completion, English learner progress, advanced coursework completion, and chronic absenteeism into a single number between 0 and 100. For a group to be considered to be meeting targets it must have a cumulative criterion-referenced target percentage of 75% or higher.

The annual criterion-referenced target percentage is calculated by dividing the weighted total points earned by the weighted total possible points. The calculation for each is displayed below.

Weighted total of points earned = (Total achievement points earned x Achievement weight) + (Total growth points earned x Growth weight) + (Total high school completion points earned x high school completion weight) + (EL progress points earned x EL progress weight) + (Total additional indicator points earned x Additional indicator weight)

The cumulative criterion-referenced target percentage represents a weighted average of the annual criterion-referenced target percentages. At a minimum, a group must have an annual criterion-referenced target percentage for the most recent year in order to receive a cumulative percentage.

Accountability percentile: An accountability percentile between 1 and 99 is reported for most schools. This number is an indication of the school's overall performance relative to other schools that serve similar grades, and is calculated using multiple years of data for all accountability indicators. School percentiles are not calculated for districts.


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