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Mystic Valley Regional Charter School
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2024 Official Accountability Report - Mystic Valley Regional Charter School
Organization Information
DISTRICT NAME
Mystic Valley Regional Charter (District) (04700000)		TITLE I STATUS
Non-Title I School
SCHOOL
Mystic Valley Regional Charter School (04700105)		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
Substantial progress toward targets
Progress toward improvement targetsAccountability percentile
73% - Substantial progress toward targets96

Overall progress toward improvement targets

 20232024
Annual criterion-referenced target percentage64%79%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2023 x 40%) + (2024 x 60%)		73%
Substantial 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 achievement34-34-44-44-
Mathematics achievement34-24-44-44-
Science achievement44----44-44-
Achievement total101260.05867.5121247.5121267.5
GrowthEnglish language arts growth34-34-34-44-
Mathematics growth24-34-44-44-
Growth total5820.06822.57822.58822.5
High school completionFour-year cohort graduation rate------44----
Extended engagement rate------44----
Annual dropout rate------44----
High school completion total------121220.0---
Progress toward attaining English language proficiencyEnglish language proficiency total0410.0---------
Additional indicatorsChronic absenteeism44-44-44-44-
Advanced coursework completion------44----
Additional indicators total4410.04410.08810.04410.0
Weighted total7.49.6-5.17.6-10.510.7-10.310.3-
Percentage of possible points 77%-67%-98%-100%-
Percentage of possible points by gradespan72%
Weight of non-high school results:76%		99%
Weight of high school results:24%
2024 Annual criterion-referenced target percentage79%

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 achievement34-24-44----
Mathematics achievement34-24-44----
Science achievement04----34----
Achievement total61260.04867.5111247.5---
GrowthEnglish language arts growth24-24-44----
Mathematics growth24-24-44----
Growth total4820.04822.58822.5---
High school completionFour-year cohort graduation rate------44----
Extended engagement rate------44----
Annual dropout rate------44----
High school completion total------121220.0---
Progress toward attaining English language proficiencyEnglish language proficiency total3410.0---------
Additional indicatorsChronic absenteeism44-44-44----
Advanced coursework completion------44----
Additional indicators total4410.04410.08810.0---
Weighted total5.19.6-4.07.6-10.210.7----
Percentage of possible points 53%-53%-95%---
Percentage of possible points by gradespan53%
Weight of non-high school results:75%		95%
Weight of high school results:25%
2023 Annual criterion-referenced target percentage63%

Student group percentile

This group's overall performance relative to the performance of the same student group in schools serving similar grades
97

Overall progress toward improvement targets

 20232024
Annual criterion-referenced target percentage64%73%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2023 x 40%) + (2024 x 60%)		70%
Substantial 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 achievement34-44-
Mathematics achievement34-44-
Science achievement24-34-
Achievement total81267.5111247.5
GrowthEnglish language arts growth34-34-
Mathematics growth24-44-
Growth total5822.57822.5
High school completionFour-year cohort graduation rate---44-
Extended engagement rate---44-
Annual dropout rate---44-
High school completion total---121220.0
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism44-44-
Advanced coursework completion---44-
Additional indicators total4410.08810.0
Weighted total6.910.3-10.010.7-
Percentage of possible points 67%-94%-
Percentage of possible points by gradespan67%
Weight of non-high school results:76%		94%
Weight of high school results:24%
2024 Annual criterion-referenced target percentage73%

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 achievement34-44-
Mathematics achievement34-44-
Science achievement04-44-
Achievement total61267.5121247.5
GrowthEnglish language arts growth24-34-
Mathematics growth24-44-
Growth total4822.57822.5
High school completionFour-year cohort graduation rate---44-
Extended engagement rate---44-
Annual dropout rate---44-
High school completion total---121220.0
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism44-44-
Advanced coursework completion---44-
Additional indicators total4410.08810.0
Weighted total5.410.3-10.510.7-
Percentage of possible points 52%-98%-
Percentage of possible points by gradespan52%
Weight of non-high school results:75%		98%
Weight of high school results:25%
2023 Annual criterion-referenced target percentage64%

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 504.0 505.2 1.2 505.8 7943Recovery Path: Met Target
Lowest Performing 481.4 485.1 3.7 485.5 1483Recovery Path: Met Target
High needs 497.3 498.5 1.2 499.1 3713Recovery Path: Met Target
Low income 497.9 498.0 0.1 499.8 2813Recovery Path: Met Target
EL and Former EL 496.2 495.8 -0.4 498.6 743Path Forward: Met Target
Students w/ disabilities 491.6 493.1 1.5 494.0 1113Path Forward: Met Target
Amer. Ind. or Alaska Nat.---- 3--
Asian 510.4 510.4 0.0 512.5 2444Path Forward: Exceeded Target
Afr. Amer./Black 496.9 498.0 1.1 499.1 1363Path Forward: Met Target
Hispanic/Latino 500.5 499.6 -0.9 503.1 973Path Forward: Met Target
Multi-race, Non-Hisp./Lat. 510.1 507.4 -2.7 511.5 363Path Forward: Met Target
Nat. Haw. or Pacif. Isl.-------
White 503.3 506.1 2.8 506.6 2783Recovery Path: Met 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 518.1 529.7 11.6 519.1 954Path Forward: Exceeded Target
Lowest Performing 495.9 512.7 16.8 499.5 244Path Forward: Exceeded Target
High needs 514.4 525.4 11.0 516.3 264Path Forward: Exceeded Target
Low income 518.4 529.0 10.6 522.0 204Path Forward: Exceeded Target
EL and Former EL---- 1--
Students w/ disabilities---- 7--
Amer. Ind. or Alaska Nat.-------
Asian---- 28--
Afr. Amer./Black---- 25--
Hispanic/Latino---- 4--
Multi-race, Non-Hisp./Lat.---- 3--
Nat. Haw. or Pacif. Isl.-------
White 517.0 529.6 12.6 518.3 354Path Forward: 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 506.2 506.0 -0.2 507.7 7973Path Forward: Met Target
Lowest Performing 484.7 487.1 2.4 489.8 1502Path Forward: Improved Below Target
High needs 499.2 499.2 0.0 501.7 3733Path Forward: Met Target
Low income 499.9 498.3 -1.6 502.3 2833Path Forward: Met Target
EL and Former EL 502.4 497.2 -5.2 505.4 740Path Forward: Declined
Students w/ disabilities 491.1 494.7 3.6 494.3 1133Path Forward: Met Target
Amer. Ind. or Alaska Nat.---- 3--
Asian 517.3 515.0 -2.3 520.3 2454Path Forward: Exceeded Target
Afr. Amer./Black 494.9 495.1 0.2 497.9 1363Path Forward: Met Target
Hispanic/Latino 500.5 498.3 -2.2 503.4 983Path Forward: Met Target
Multi-race, Non-Hisp./Lat. 511.9 509.8 -2.1 513.4 363Path Forward: Met Target
Nat. Haw. or Pacif. Isl.-------
White 505.1 505.7 0.6 506.1 2793Recovery Path: Met Target

Mathematics achievement - MCAS average composite scaled score - High school
Group 2023 Achievement 2024 Achievement Change 2024 Target N Points Reason
All Students 517.1 524.3 7.2 518.6 954Recovery Path: Exceeded Target
Lowest Performing 491.9 503.0 11.1 495.2 244Path Forward: Exceeded Target
High needs 514.9 517.7 2.8 517.6 264Path Forward: Exceeded Target
Low income 521.4 523.2 1.8 525.9 204Path Forward: Exceeded Target
EL and Former EL---- 1--
Students w/ disabilities---- 7--
Amer. Ind. or Alaska Nat.-------
Asian---- 28--
Afr. Amer./Black---- 25--
Hispanic/Latino---- 4--
Multi-race, Non-Hisp./Lat.---- 3--
Nat. Haw. or Pacif. Isl.-------
White 518.1 527.9 9.8 519.2 354Path Forward: 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 498.2 501.5 3.3 500.4 2484Path Forward: Exceeded Target
Lowest Performing---- 54--
High needs 492.4 495.3 2.9 495.9 1182Path Forward: Improved Below Target
Low income 492.1 495.4 3.3 496.5 993Path Forward: Met Target
EL and Former EL 500.4 483.6 -16.8 504.6 220Path Forward: Declined
Students w/ disabilities 487.8 489.0 1.2 492.0 302Path Forward: Improved Below Target
Amer. Ind. or Alaska Nat.---- 2--
Asian 503.5 509.0 5.5 505.7 684Path Forward: Exceeded Target
Afr. Amer./Black 488.6 490.6 2.0 492.6 443Path Forward: Met Target
Hispanic/Latino---- 35--
Multi-race, Non-Hisp./Lat.---- 9--
Nat. Haw. or Pacif. Isl.-------
White 498.3 503.5 5.2 500.5 904Path Forward: Exceeded Target

Science achievement - MCAS average composite scaled score - High school
Group 2023 Achievement 2024 Achievement Change 2024 Target N Points Reason
All Students 515.1 520.3 5.2 516.1 954Path Forward: Exceeded Target
Lowest Performing 488.9 500.8 11.9 491.5 244Path Forward: Exceeded Target
High needs 512.2 513.7 1.5 514.5 263Path Forward: Met Target
Low income 519.1 518.3 -0.8 521.1 204Path Forward: Exceeded Target
EL and Former EL---- 1--
Students w/ disabilities---- 7--
Amer. Ind. or Alaska Nat.-------
Asian---- 28--
Afr. Amer./Black---- 25--
Hispanic/Latino---- 4--
Multi-race, Non-Hisp./Lat.---- 3--
Nat. Haw. or Pacif. Isl.-------
White 516.6 522.3 5.7 517.9 354Path Forward: Exceeded Target

English language arts growth - Non-high school
Group 2024 Mean SGP N Points Reason
All Students 57.0 6293Typical Growth - High
Lowest Performing 56.1 1413Typical Growth - High
High needs 57.9 2933Typical Growth - High
Low income 56.8 2173Typical Growth - High
EL and Former EL 60.1 534Exceeded Typical Growth
Students w/ disabilities 58.3 843Typical Growth - High
Amer. Ind. or Alaska Nat.- 2--
Asian 56.7 1893Typical Growth - High
Afr. Amer./Black 56.8 1083Typical Growth - High
Hispanic/Latino 58.0 703Typical Growth - High
Multi-race, Non-Hisp./Lat. 48.6 272Typical Growth - Low
Nat. Haw. or Pacif. Isl.----
White 57.9 2333Typical Growth - High

English language arts growth - High school
Group 2024 Mean SGP N Points Reason
All Students 58.3 953Typical Growth - High
Lowest Performing 61.5 244Exceeded Typical Growth
High needs 53.3 263Typical Growth - High
Low income 54.1 203Typical Growth - High
EL and Former EL- 1--
Students w/ disabilities- 7--
Amer. Ind. or Alaska Nat.----
Asian- 28--
Afr. Amer./Black- 25--
Hispanic/Latino- 4--
Multi-race, Non-Hisp./Lat.- 3--
Nat. Haw. or Pacif. Isl.----
White 57.1 353Typical Growth - High

Mathematics growth - Non-high school
Group 2024 Mean SGP N Points Reason
All Students 49.4 6312Typical Growth - Low
Lowest Performing 50.1 1433Typical Growth - High
High needs 49.1 2952Typical Growth - Low
Low income 47.9 2192Typical Growth - Low
EL and Former EL 46.5 532Typical Growth - Low
Students w/ disabilities 50.9 863Typical Growth - High
Amer. Ind. or Alaska Nat.- 2--
Asian 52.5 1893Typical Growth - High
Afr. Amer./Black 45.3 1082Typical Growth - Low
Hispanic/Latino 44.4 712Typical Growth - Low
Multi-race, Non-Hisp./Lat. 47.8 272Typical Growth - Low
Nat. Haw. or Pacif. Isl.----
White 50.6 2343Typical Growth - High

Mathematics growth - High school
Group 2024 Mean SGP N Points Reason
All Students 69.3 954Exceeded Typical Growth
Lowest Performing 72.6 244Exceeded Typical Growth
High needs 69.5 264Exceeded Typical Growth
Low income 72.0 204Exceeded Typical Growth
EL and Former EL- 1--
Students w/ disabilities- 7--
Amer. Ind. or Alaska Nat.----
Asian- 28--
Afr. Amer./Black- 25--
Hispanic/Latino- 4--
Multi-race, Non-Hisp./Lat.- 3--
Nat. Haw. or Pacif. Isl.----
White 69.0 354Exceeded Typical Growth

Four-year cohort graduation rate - High school
Group 2022 Rate (%) 2023 Rate (%) Change Target (%) N Points Reason
All Students 100.0 100.0 0.0 95.0 724Exceeded Target
Lowest Performing-------
High needs 100.0 100.0 0.0 95.0 374Exceeded Target
Low income 100.0 100.0 0.0 95.0 284Exceeded Target
EL and Former EL-------
Students w/ disabilities---- 17--
Amer. Ind. or Alaska Nat.-------
Asian---- 20--
Afr. Amer./Black---- 8--
Hispanic/Latino---- 10--
Multi-race, Non-Hisp./Lat.---- 2--
Nat. Haw. or Pacif. Isl.-------
White 100.0 100.0 0.0 95.0 324Exceeded Target

Extended engagement rate - High school
Group 2021 Rate (%) 2022 Rate (%) Change Target (%) N Points Reason
All Students 98.8 100.0 1.2 95.0 614Exceeded Target
Lowest Performing-------
High needs 100.0 100.0 0.0 95.0 254Exceeded Target
Low income 100.0 100.0 0.0 95.0 204Exceeded Target
EL and Former EL-------
Students w/ disabilities---- 8--
Amer. Ind. or Alaska Nat.-------
Asian---- 11--
Afr. Amer./Black---- 10--
Hispanic/Latino---- 5--
Multi-race, Non-Hisp./Lat.-------
Nat. Haw. or Pacif. Isl.-------
White 97.9 100.0 2.1 95.0 354Exceeded Target

Annual dropout rate - High school
Group 2022 Rate (%) 2023 Rate (%) Change Target (%) N Points Reason
All Students 0.0 0.0 0.0 1.0 3554Exceeded Target
Lowest Performing-------
High needs 0.0 0.0 0.0 1.0 1034Exceeded Target
Low income 0.0 0.0 0.0 1.0 724Exceeded Target
EL and Former EL-------
Students w/ disabilities---- 39--
Amer. Ind. or Alaska Nat.-------
Asian---- 99--
Afr. Amer./Black---- 75--
Hispanic/Latino---- 31--
Multi-race, Non-Hisp./Lat.---- 11--
Nat. Haw. or Pacif. Isl.-------
White 0.0 0.0 0.0 1.0 1394Exceeded Target

Progress toward attaining English language proficiency - Non-high school
Group 2023 Rate (%) 2024 Rate (%) Change Target N Points Reason
All Students 67.9 63.6 -4.3 70.1 330Declined
Lowest Performing-------
High needs-------
Low income-------
EL and Former EL 67.9 63.6 -4.3 70.1 330Declined
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-------
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 4.7 3.5 -1.2 3.6 1,1734Exceeded Target
Lowest Performing 3.8 4.7 0.9 1.0 1504Exceeded Target
High needs 6.8 4.7 -2.1 4.7 5594Exceeded Target
Low income 5.8 3.8 -2.0 1.5 4264Exceeded Target
EL and Former EL 5.0 1.6 -3.4 2.0 1234Exceeded Target
Students w/ disabilities 12.2 8.6 -3.6 9.7 1514Exceeded Target
Amer. Ind. or Alaska Nat.---- 3--
Asian 5.1 2.7 -2.4 3.0 3684Exceeded Target
Afr. Amer./Black 3.0 1.6 -1.4 1.0 1904Exceeded Target
Hispanic/Latino 6.6 4.9 -1.7 2.4 1624Exceeded Target
Multi-race, Non-Hisp./Lat. 3.3 3.6 0.3 2.2 554Exceeded Target
Nat. Haw. or Pacif. Isl.---- 1--
White 4.8 4.6 -0.2 3.6 3944Exceeded Target

Chronic absenteeism - High school
Group 2023 Rate (%) 2024 Rate (%) Change Target N Points Reason
All Students 2.5 2.2 -0.3 1.4 3584Exceeded Target
Lowest Performing 0.0 4.2 4.2 1.0 244Exceeded Target
High needs 4.8 3.7 -1.1 1.7 1084Exceeded Target
Low income 5.3 3.8 -1.5 1.1 804Exceeded Target
EL and Former EL---- 4--
Students w/ disabilities---- 32--
Amer. Ind. or Alaska Nat.-------
Asian---- 97--
Afr. Amer./Black---- 87--
Hispanic/Latino---- 24--
Multi-race, Non-Hisp./Lat.---- 13--
Nat. Haw. or Pacif. Isl.-------
White 5.8 5.1 -0.7 4.4 1374Exceeded Target

Advanced coursework completion - High school
Group 2023 Rate (%) 2024 Rate (%) Change Target N Points Reason
All Students 97.6 100.0 2.4 95.0 1684Exceeded Target
Lowest Performing-------
High needs 94.1 100.0 5.9 95.0 514Exceeded Target
Low income 96.6 100.0 3.4 95.0 344Exceeded Target
EL and Former EL-------
Students w/ disabilities---- 19--
Amer. Ind. or Alaska Nat.-------
Asian---- 49--
Afr. Amer./Black---- 36--
Hispanic/Latino---- 17--
Multi-race, Non-Hisp./Lat.---- 6--
Nat. Haw. or Pacif. Isl.-------
White 98.5 100.0 1.5 95.0 604Exceeded 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 926 924100Yes 1 927 927100Yes 1 355 354100Yes 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 420 419 421 421 152 152 993 992100Yes1
Low income 321 320 322 322 126 126 769 768100Yes1
EL and Former EL 86 86 86 86 28 28 200 200100Yes1
Students w/ disabilities 119 118 120 120 37 37 276 275100Yes1
Amer. Ind. or Alaska Nat. 3 3 3 3 2 2 8----
Asian 285 284 285 285 97 96 667 665100Yes1
Afr. Amer./Black 166 166 166 166 71 71 403 403100Yes1
Hispanic/Latino 109 109 110 110 44 44 263 263100Yes1
Multi-race, Non-Hisp./Lat. 42 42 42 42 13 13 97 97100Yes1
Nat. Haw. or Pacif. Isl.-----------
White 321 320 321 321 128 128 770 769100Yes1


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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