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Atlantis Charter (District)

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2024 Official Accountability Report - Atlantis Charter (District)

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

Accountability Information

Overall classificationNot requiring assistance or intervention
Reason for classification
Moderate progress toward targets
Progress toward improvement targetsAccountability percentile
41% - Moderate progress toward targets-

Overall progress toward improvement targets

 20232024
Annual criterion-referenced target percentage31%47%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2023 x 40%) + (2024 x 60%)
41%
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 achievement04-24-44----
Mathematics achievement24-24-44----
Science achievement24----24----
Achievement total41260.04867.5101240.0---
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 total3.49.6-3.87.6-6.010.0----
Percentage of possible points 35%-50%-60%---
Percentage of possible points by gradespan43%
Weight of non-high school results:77%
60%
Weight of high school results:23%
2024 Annual criterion-referenced target percentage47%

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 achievement04-04-34----
Mathematics achievement04-24-04----
Science achievement04----24----
Achievement total01260.02867.551240.0---
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 total1.49.6-2.77.6-5.010.0----
Percentage of possible points 15%-36%-50%---
Percentage of possible points by gradespan25%
Weight of non-high school results:75%
50%
Weight of high school results:25%
2023 Annual criterion-referenced target percentage31%

Overall progress toward improvement targets

 20232024
Annual criterion-referenced target percentage20%31%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2023 x 40%) + (2024 x 60%)
26%
Moderate 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 achievement04-44-
Mathematics achievement24-34-
Science achievement04-14-
Achievement total21267.581247.5
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 total2.510.3-5.510.7-
Percentage of possible points 24%-51%-
Percentage of possible points by gradespan24%
Weight of non-high school results:77%
51%
Weight of high school results:23%
2024 Annual criterion-referenced target percentage31%

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 486.3 485.7 -0.6 489.7 6490Recovery Path: Declined
Lowest Performing 460.2 462.6 2.4 465.3 1342Path Forward: Improved Below Target
High needs 482.1 481.3 -0.8 484.9 4590Recovery Path: Declined
Low income 483.6 482.5 -1.1 486.9 3980Recovery Path: Declined
EL and Former EL 477.8 475.2 -2.6 480.3 1600Path Forward: Declined
Students w/ disabilities 460.3 462.9 2.6 463.6 1052Path Forward: Improved Below Target
Amer. Ind. or Alaska Nat.---- 1--
Asian---- 14--
Afr. Amer./Black 486.1 487.3 1.2 489.4 432Path Forward: Improved Below Target
Hispanic/Latino 480.6 479.2 -1.4 483.1 990Path Forward: Declined
Multi-race, Non-Hisp./Lat. 487.6 485.0 -2.6 489.9 410Path Forward: Declined
Nat. Haw. or Pacif. Isl.---- 1--
White 487.0 487.1 0.1 490.3 4502Recovery 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 490.3 497.1 6.8 492.9 614Recovery Path: Exceeded Target
Lowest Performing---- 19--
High needs 485.8 490.5 4.7 489.1 444Path Forward: Exceeded Target
Low income 484.6 491.7 7.1 487.4 404Path Forward: Exceeded Target
EL and Former EL---- 14--
Students w/ disabilities---- 11--
Amer. Ind. or Alaska Nat.---- 1--
Asian---- 1--
Afr. Amer./Black---- 2--
Hispanic/Latino---- 15--
Multi-race, Non-Hisp./Lat.---- 3--
Nat. Haw. or Pacif. Isl.-------
White 491.3 497.7 6.4 493.7 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 484.1 484.9 0.8 486.5 6482Recovery Path: Improved Below Target
Lowest Performing 462.7 466.9 4.2 467.9 1342Recovery Path: Improved Below Target
High needs 481.0 481.2 0.2 483.3 4592Recovery Path: Improved Below Target
Low income 481.6 482.1 0.5 483.4 3982Recovery Path: Improved Below Target
EL and Former EL 478.2 476.4 -1.8 481.7 1600Path Forward: Declined
Students w/ disabilities 465.1 467.6 2.5 468.5 1052Path Forward: Improved Below Target
Amer. Ind. or Alaska Nat.---- 1--
Asian---- 14--
Afr. Amer./Black 482.6 483.7 1.1 485.9 432Path Forward: Improved Below Target
Hispanic/Latino 479.1 480.3 1.2 481.7 992Path Forward: Improved Below Target
Multi-race, Non-Hisp./Lat. 483.5 486.4 2.9 486.0 413Path Forward: Met Target
Nat. Haw. or Pacif. Isl.---- 1--
White 484.9 485.7 0.8 487.1 4492Recovery 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 486.0 492.6 6.6 488.0 584Recovery Path: Exceeded Target
Lowest Performing---- 19--
High needs 481.8 485.8 4.0 485.9 423Path Forward: Met Target
Low income 480.6 486.9 6.3 484.6 394Path Forward: Exceeded Target
EL and Former EL---- 13--
Students w/ disabilities---- 10--
Amer. Ind. or Alaska Nat.---- 1--
Asian---- 1--
Afr. Amer./Black---- 2--
Hispanic/Latino---- 15--
Multi-race, Non-Hisp./Lat.---- 3--
Nat. Haw. or Pacif. Isl.-------
White 484.5 494.4 9.9 486.3 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 485.1 486.8 1.7 488.7 2152Path Forward: Improved Below Target
Lowest Performing---- 52--
High needs 481.9 480.5 -1.4 485.7 1350Path Forward: Declined
Low income 483.2 481.2 -2.0 487.2 1210Path Forward: Declined
EL and Former EL 481.0 468.9 -12.1 485.1 390Path Forward: Declined
Students w/ disabilities 462.9 466.5 3.6 466.7 323Path Forward: Met Target
Amer. Ind. or Alaska Nat.---- 1--
Asian---- 5--
Afr. Amer./Black---- 15--
Hispanic/Latino 478.5 473.8 -4.7 482.1 270Path Forward: Declined
Multi-race, Non-Hisp./Lat.---- 7--
Nat. Haw. or Pacif. Isl.---- 1--
White 484.9 489.1 4.2 488.6 1593Path 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
Low income 478.8 478.7 -0.1 484.3 301Recovery Path: No Change
EL and Former EL---- 10--
Students w/ disabilities---- 10--
Amer. Ind. or Alaska Nat.-------
Asian---- 1--
Afr. Amer./Black---- 1--
Hispanic/Latino---- 11--
Multi-race, Non-Hisp./Lat.---- 2--
Nat. Haw. or Pacif. Isl.-------
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
Low income 41.5 3172Typical Growth - Low
EL and Former EL 43.1 1182Typical Growth - Low
Students w/ disabilities 41.0 802Typical Growth - Low
Amer. Ind. or Alaska Nat.----
Asian- 10--
Afr. Amer./Black 44.3 342Typical Growth - Low
Hispanic/Latino 45.1 752Typical Growth - Low
Multi-race, Non-Hisp./Lat. 37.5 321Low Growth
Nat. Haw. or Pacif. Isl.- 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
Low income 51.9 343Typical Growth - High
EL and Former EL- 10--
Students w/ disabilities- 11--
Amer. Ind. or Alaska Nat.- 1--
Asian- 1--
Afr. Amer./Black- 1--
Hispanic/Latino- 12--
Multi-race, Non-Hisp./Lat.- 1--
Nat. Haw. or Pacif. Isl.----
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
Low income 42.2 3172Typical Growth - Low
EL and Former EL 42.8 1182Typical Growth - Low
Students w/ disabilities 43.3 802Typical Growth - Low
Amer. Ind. or Alaska Nat.----
Asian- 10--
Afr. Amer./Black 40.0 342Typical Growth - Low
Hispanic/Latino 44.2 752Typical Growth - Low
Multi-race, Non-Hisp./Lat. 43.8 322Typical Growth - Low
Nat. Haw. or Pacif. Isl.- 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
Low income 48.5 342Typical Growth - Low
EL and Former EL- 10--
Students w/ disabilities- 10--
Amer. Ind. or Alaska Nat.- 1--
Asian- 1--
Afr. Amer./Black- 1--
Hispanic/Latino- 12--
Multi-race, Non-Hisp./Lat.- 1--
Nat. Haw. or Pacif. Isl.----
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
Low income 93.1 93.5 0.4 95.0 622Improved Below Target
EL and Former EL---- 20--
Students w/ disabilities---- 20--
Amer. Ind. or Alaska Nat.-------
Asian---- 1--
Afr. Amer./Black---- 8--
Hispanic/Latino---- 18--
Multi-race, Non-Hisp./Lat.---- 2--
Nat. Haw. or Pacif. Isl.-------
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
Low income 98.2 94.8 -3.4 95.0 583Met Target
EL and Former EL---- 14--
Students w/ disabilities---- 13--
Amer. Ind. or Alaska Nat.---- 1--
Asian---- 2--
Afr. Amer./Black---- 6--
Hispanic/Latino---- 15--
Multi-race, Non-Hisp./Lat.-------
Nat. Haw. or Pacif. Isl.-------
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
Low income 0.5 1.1 0.6 1.0 1860Declined
EL and Former EL---- 61--
Students w/ disabilities---- 53--
Amer. Ind. or Alaska Nat.-------
Asian---- 5--
Afr. Amer./Black---- 18--
Hispanic/Latino---- 79--
Multi-race, Non-Hisp./Lat.---- 11--
Nat. Haw. or Pacif. Isl.-------
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-------
Low income-------
EL and Former EL 49.2 43.1 -6.1 53.2 1440Declined
Students w/ disabilities-------
Amer. Ind. or Alaska Nat.-------
Asian-------
Afr. Amer./Black-------
Hispanic/Latino-------
Multi-race, Non-Hisp./Lat.-------
Nat. Haw. or Pacif. Isl.-------
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-------
Low income-------
EL and Former EL-------
Students w/ disabilities-------
Amer. Ind. or Alaska Nat.-------
Asian-------
Afr. Amer./Black-------
Hispanic/Latino-------
Multi-race, Non-Hisp./Lat.-------
Nat. Haw. or Pacif. Isl.-------
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
Low income 26.5 27.4 0.9 23.3 5590Declined
EL and Former EL 24.6 24.3 -0.3 21.1 2182Improved Below Target
Students w/ disabilities 38.1 26.5 -11.6 34.5 1514Exceeded Target
Amer. Ind. or Alaska Nat.---- 1--
Asian---- 20--
Afr. Amer./Black 17.9 16.4 -1.5 14.3 612Improved Below Target
Hispanic/Latino 22.5 26.2 3.7 18.3 1410Declined
Multi-race, Non-Hisp./Lat. 17.3 17.9 0.6 15.8 670Declined
Nat. Haw. or Pacif. Isl.---- 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
Low income 46.9 48.0 1.1 41.8 1960Declined
EL and Former EL---- 78--
Students w/ disabilities---- 58--
Amer. Ind. or Alaska Nat.---- 2--
Asian---- 7--
Afr. Amer./Black---- 21--
Hispanic/Latino---- 81--
Multi-race, Non-Hisp./Lat.---- 16--
Nat. Haw. or Pacif. Isl.-------
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
Low income 73.6 44.1 -29.5 80.4 930Declined
EL and Former EL---- 38--
Students w/ disabilities---- 29--
Amer. Ind. or Alaska Nat.-------
Asian---- 4--
Afr. Amer./Black---- 9--
Hispanic/Latino---- 45--
Multi-race, Non-Hisp./Lat.---- 6--
Nat. Haw. or Pacif. Isl.-------
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
Low income 438 438 437 437 161 161 1,036 1,036100Yes1
EL and Former EL 174 174 173 173 53 53 400 400100Yes1
Students w/ disabilities 116 116 115 115 43 43 274 274100Yes1
Amer. Ind. or Alaska Nat. 2 2 2 2 2 2 6----
Asian 15 15 15 15 6 6 36----
Afr. Amer./Black 45 45 45 45 17 17 107 107100Yes1
Hispanic/Latino 114 114 114 114 42 42 270 270100Yes1
Multi-race, Non-Hisp./Lat. 44 44 44 44 10 10 98 98100Yes1
Nat. Haw. or Pacif. Isl. 1 1 1 1 1 1 3----
White 489 489 486 485 198 198 1,173 1,172100Yes1

School Accountability Information
School Accountability information School accountability percentile
Atlantis Charter SchoolNot requiring assistance or intervention 43


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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