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Atlantis Charter School

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2023 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
32% - Moderate progress toward targets33

Overall progress toward improvement targets

 2023
Criterion-referenced target percentage32%
Progress towards targetsModerate progress toward targets

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 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
42

Overall progress toward improvement targets

 2023
Criterion-referenced target percentage20%
Progress towards targetsLimited or no progress toward targets

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 Criterion-referenced target percentage20%

Detailed data for each indicator

English language arts achievement - MCAS average composite scaled score - Non-high school
Group 2022 Achievement 2023 Achievement Change 2023 Target N Points Reason
All Students 491.3 486.1 -5.2 494.6 6480Recovery Path: Declined
Lowest Performing 465.6 462.7 -2.9 470.6 1270Path Forward: Declined
High needs 488.1 481.9 -6.2 490.8 4590Recovery Path: Declined
Low income 489.2 483.4 -5.8 492.3 4050Recovery Path: Declined
EL and Former EL---- 133--
Students w/ disabilities---- 94--
Amer. Ind. or Alaska Nat.-------
Asian---- 12--
Afr. Amer./Black---- 42--
Hispanic/Latino---- 90--
Multi-race, Non-Hisp./Lat.---- 35--
Nat. Haw. or Pacif. Isl.---- 1--
White 491.7 487.0 -4.7 494.9 4680Recovery Path: Declined

English language arts achievement - MCAS average composite scaled score - High school
Group 2022 Achievement 2023 Achievement Change 2023 Target N Points Reason
All Students 488.4 492.0 3.6 490.8 754Recovery Path: Exceeded Target
Lowest Performing-------
High needs 485.8 487.4 1.6 489.1 612Path Forward: Improved Below Target
Low income 487.2 486.3 -0.9 490.0 520Path Forward: Declined
EL and Former EL---- 25--
Students w/ disabilities---- 13--
Amer. Ind. or Alaska Nat.-------
Asian---- 2--
Afr. Amer./Black---- 4--
Hispanic/Latino---- 23--
Multi-race, Non-Hisp./Lat.---- 6--
Nat. Haw. or Pacif. Isl.-------
White 488.9 492.2 3.3 491.6 404Recovery Path: Exceeded Target

Mathematics achievement - MCAS average composite scaled score - Non-high school
Group 2022 Achievement 2023 Achievement Change 2023 Target N Points Reason
All Students 487.2 484.1 -3.1 489.5 6480Recovery Path: Declined
Lowest Performing 463.6 466.5 2.9 468.9 1272Recovery Path: Improved Below Target
High needs 484.6 480.8 -3.8 486.8 4590Recovery Path: Declined
Low income 485.4 481.5 -3.9 487.2 4050Recovery Path: Declined
EL and Former EL---- 133--
Students w/ disabilities---- 94--
Amer. Ind. or Alaska Nat.-------
Asian---- 12--
Afr. Amer./Black---- 42--
Hispanic/Latino---- 90--
Multi-race, Non-Hisp./Lat.---- 35--
Nat. Haw. or Pacif. Isl.---- 1--
White 487.3 484.9 -2.4 489.6 4680Recovery Path: Declined

Mathematics achievement - MCAS average composite scaled score - High school
Group 2022 Achievement 2023 Achievement Change 2023 Target N Points Reason
All Students 489.8 487.2 -2.6 491.5 760Recovery Path: Declined
Lowest Performing-------
High needs 487.1 483.0 -4.1 491.2 620Path Forward: Declined
Low income 488.5 481.8 -6.7 492.5 530Path Forward: Declined
EL and Former EL---- 25--
Students w/ disabilities---- 13--
Amer. Ind. or Alaska Nat.-------
Asian---- 2--
Afr. Amer./Black---- 4--
Hispanic/Latino---- 24--
Multi-race, Non-Hisp./Lat.---- 6--
Nat. Haw. or Pacif. Isl.-------
White 490.8 485.1 -5.7 492.5 400Recovery Path: Declined

Science achievement - MCAS average composite scaled score - Non-high school
Group 2022 Achievement 2023 Achievement Change 2023 Target N Points Reason
All Students 489.7 485.4 -4.3 493.3 2170Path Forward: Declined
Lowest Performing-------
High needs 486.3 482.1 -4.2 490.1 1630Path Forward: Declined
Low income 487.4 483.5 -3.9 491.4 1450Path Forward: Declined
EL and Former EL---- 43--
Students w/ disabilities---- 29--
Amer. Ind. or Alaska Nat.-------
Asian---- 3--
Afr. Amer./Black---- 12--
Hispanic/Latino---- 26--
Multi-race, Non-Hisp./Lat.---- 13--
Nat. Haw. or Pacif. Isl.-------
White 490.9 485.0 -5.9 494.6 1630Path Forward: Declined

Science achievement - MCAS average composite scaled score - High school
Group 2022 Achievement 2023 Achievement Change 2023 Target N Points Reason
All Students 478.3 484.0 5.7 485.3 612Recovery Path: Improved Below Target
Lowest Performing-------
High needs 474.8 478.9 4.1 480.3 482Recovery Path: Improved Below Target
Low income 476.7 478.8 2.1 482.2 392Recovery Path: Improved Below Target
EL and Former EL---- 17--
Students w/ disabilities---- 9--
Amer. Ind. or Alaska Nat.-------
Asian---- 2--
Afr. Amer./Black---- 3--
Hispanic/Latino---- 18--
Multi-race, Non-Hisp./Lat.---- 3--
Nat. Haw. or Pacif. Isl.-------
White 481.3 483.5 2.2 487.8 352Recovery Path: Improved Below Target

English language arts growth - Non-high school
Group 2023 Mean SGP N Points Reason
All Students 42.3 5382Typical Growth - Low
Lowest Performing 42.8 1272Typical Growth - Low
High needs 40.9 3692Typical Growth - Low
Low income 41.3 3312Typical Growth - Low
EL and Former EL- 100--
Students w/ disabilities- 77--
Amer. Ind. or Alaska Nat.----
Asian- 8--
Afr. Amer./Black- 35--
Hispanic/Latino- 64--
Multi-race, Non-Hisp./Lat.- 29--
Nat. Haw. or Pacif. Isl.- 1--
White 42.2 4012Typical Growth - Low

English language arts growth - High school
Group 2023 Mean SGP N Points Reason
All Students 44.3 622Typical Growth - Low
Lowest Performing----
High needs 44.4 512Typical Growth - Low
Low income 40.0 432Typical Growth - Low
EL and Former EL- 17--
Students w/ disabilities- 11--
Amer. Ind. or Alaska Nat.----
Asian- 2--
Afr. Amer./Black- 3--
Hispanic/Latino- 17--
Multi-race, Non-Hisp./Lat.- 5--
Nat. Haw. or Pacif. Isl.----
White 45.2 352Typical Growth - Low

Mathematics growth - Non-high school
Group 2023 Mean SGP N Points Reason
All Students 39.5 5371Low Growth
Lowest Performing 42.9 1272Typical Growth - Low
High needs 39.1 3691Low Growth
Low income 38.8 3311Low Growth
EL and Former EL- 100--
Students w/ disabilities- 77--
Amer. Ind. or Alaska Nat.----
Asian- 8--
Afr. Amer./Black- 35--
Hispanic/Latino- 64--
Multi-race, Non-Hisp./Lat.- 29--
Nat. Haw. or Pacif. Isl.- 1--
White 40.4 4002Typical Growth - Low

Mathematics growth - High school
Group 2023 Mean SGP N Points Reason
All Students 32.8 631Low Growth
Lowest Performing----
High needs 31.8 521Low Growth
Low income 27.5 440Very Low Growth
EL and Former EL- 17--
Students w/ disabilities- 11--
Amer. Ind. or Alaska Nat.----
Asian- 2--
Afr. Amer./Black- 3--
Hispanic/Latino- 18--
Multi-race, Non-Hisp./Lat.- 5--
Nat. Haw. or Pacif. Isl.----
White 32.5 351Low Growth

Four-year cohort graduation rate - High school
Group 2021 Rate (%) 2022 Rate (%) Change Target (%) N Points Reason
All Students 96.5 90.9 -5.6 95.0 770Declined
Lowest Performing-------
High needs 94.7 91.7 -3.0 95.0 600Declined
Low income 96.5 93.1 -3.4 95.0 580Declined
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 96.8 90.6 -6.2 95.0 530Declined

Extended engagement rate - High school
Group 2020 Rate (%) 2021 Rate (%) Change Target (%) N Points Reason
All Students 93.7 98.8 5.1 95.0 864Exceeded Target
Lowest Performing-------
High needs 95.2 98.2 3.0 95.0 574Exceeded Target
Low income 95.1 98.2 3.1 95.0 574Exceeded Target
EL and Former EL---- 17--
Students w/ disabilities---- 11--
Amer. Ind. or Alaska Nat.-------
Asian---- 4--
Afr. Amer./Black---- 5--
Hispanic/Latino---- 13--
Multi-race, Non-Hisp./Lat.---- 2--
Nat. Haw. or Pacif. Isl.-------
White 95.1 98.4 3.3 95.0 624Exceeded Target

Annual dropout rate - High school
Group 2021 Rate (%) 2022 Rate (%) Change Target (%) N Points Reason
All Students 1.3 0.3 -1.0 1.2 3024Exceeded Target
Lowest Performing-------
High needs 1.9 0.4 -1.5 1.7 2354Exceeded Target
Low income 0.0 0.5 0.5 1.0 2043Met Target
EL and Former EL---- 67--
Students w/ disabilities---- 45--
Amer. Ind. or Alaska Nat.---- 1--
Asian---- 7--
Afr. Amer./Black---- 24--
Hispanic/Latino---- 71--
Multi-race, Non-Hisp./Lat.---- 8--
Nat. Haw. or Pacif. Isl.-------
White 2.0 0.0 -2.0 1.8 1914Exceeded Target

Progress toward attaining English language proficiency - Non-high school
Group 2022 Rate (%) 2023 Rate (%) Change Target N Points Reason
All Students 39.1 49.2 10.1 43.1 1284Exceeded 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-------

Progress toward attaining English language proficiency - High school
Group 2022 Rate (%) 2023 Rate (%) Change Target N Points Reason
All Students 21.4 14.5 -6.9 26.9 550Declined
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 2022 Rate (%) 2023 Rate (%) Change Target N Points Reason
All Students 28.6 21.6 -7.0 27.1 8924Exceeded Target
Lowest Performing 34.6 25.2 -9.4 30.6 1274Exceeded Target
High needs 32.5 25.5 -7.0 30.1 6424Exceeded Target
Low income 33.4 26.5 -6.9 30.2 5664Exceeded Target
EL and Former EL---- 199--
Students w/ disabilities---- 139--
Amer. Ind. or Alaska Nat.-------
Asian---- 18--
Afr. Amer./Black---- 56--
Hispanic/Latino---- 129--
Multi-race, Non-Hisp./Lat.---- 52--
Nat. Haw. or Pacif. Isl.---- 1--
White 29.7 22.6 -7.1 27.9 6364Exceeded Target

Chronic absenteeism - High school
Group 2022 Rate (%) 2023 Rate (%) Change Target N Points Reason
All Students 59.3 41.9 -17.4 57.0 3204Exceeded Target
Lowest Performing-------
High needs 63.2 47.4 -15.8 59.4 2514Exceeded Target
Low income 64.8 46.9 -17.9 59.7 2264Exceeded Target
EL and Former EL---- 99--
Students w/ disabilities---- 62--
Amer. Ind. or Alaska Nat.-------
Asian---- 5--
Afr. Amer./Black---- 23--
Hispanic/Latino---- 88--
Multi-race, Non-Hisp./Lat.---- 11--
Nat. Haw. or Pacif. Isl.-------
White 62.2 41.5 -20.7 59.7 1934Exceeded Target

Advanced coursework completion - High school
Group 2022 Rate (%) 2023 Rate (%) Change Target N Points Reason
All Students 66.9 76.4 9.5 71.0 1404Exceeded Target
Lowest Performing-------
High needs 62.7 72.1 9.4 68.8 1044Exceeded Target
Low income 62.9 73.6 10.7 69.7 914Exceeded Target
EL and Former EL---- 40--
Students w/ disabilities---- 31--
Amer. Ind. or Alaska Nat.-------
Asian---- 2--
Afr. Amer./Black---- 15--
Hispanic/Latino---- 37--
Multi-race, Non-Hisp./Lat.---- 2--
Nat. Haw. or Pacif. Isl.-------
White 70.9 78.6 7.7 75.0 844Exceeded Target

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 740 739100Yes 1 741 741100Yes 1 305 305100Yes 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 537 536 538 538 237 237 1,312 1,311100Yes1
Low income 474 473 475 475 210 210 1,159 1,158100Yes1
EL and Former EL 167 166 167 167 75 75 409 408100Yes1
Students w/ disabilities 112 112 112 112 46 46 270 270100Yes1
Amer. Ind. or Alaska Nat.-----------
Asian 14 14 14 14 5 5 33----
Afr. Amer./Black 47 47 47 47 16 16 110 110100Yes1
Hispanic/Latino 118 117 119 119 55 55 292 291100Yes1
Multi-race, Non-Hisp./Lat. 44 44 44 44 21 21 109 109100Yes1
Nat. Haw. or Pacif. Isl. 1 1 1 1 0- 2----
White 516 516 516 516 208 208 1,240 1,240100Yes1


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 criterion-referenced target percentage of 75% or higher.

The 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)

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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