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Stony Brook School
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2023 Official Accountability Report - Stony Brook School
Organization Information
DISTRICT NAME
Westford (03260000)		TITLE I STATUS
Non-Title I School
SCHOOL
Stony Brook School (03260330)		GRADES SERVED
06,07,08
REGION
Coastal		FEDERAL DESIGNATION
-

Accountability Information

Overall classificationNot requiring assistance or intervention
Reason for classification
Substantial progress toward targets
Progress toward improvement targetsAccountability percentile
67% - Substantial progress toward targets90

Overall progress toward improvement targets

 2023
Criterion-referenced target percentage67%
Progress towards targetsSubstantial 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)
Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement34-24-
Mathematics achievement44-34-
Science achievement04----
Achievement total71267.55867.5
GrowthEnglish language arts growth34-34-
Mathematics growth34-44-
Growth total6822.57822.5
High school completionFour-year cohort graduation rate------
Extended engagement rate------
Annual dropout rate------
High school completion total------
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism34-44-
Advanced coursework completion------
Additional indicators total3410.04410.0
Weighted total6.410.3-5.47.6-
Percentage of possible points 62%-71%-
2023 Criterion-referenced target percentage67%

Student group percentile

This group's overall performance relative to the performance of the same student group in schools serving similar grades
79

Overall progress toward improvement targets

 2023
Criterion-referenced target percentage13%
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)
Points earned Total possible points Weight %
AchievementEnglish language arts achievement04-
Mathematics achievement04-
Science achievement04-
Achievement total01267.5
GrowthEnglish language arts growth24-
Mathematics growth34-
Growth total5822.5
High school completionFour-year cohort graduation rate---
Extended engagement rate---
Annual dropout rate---
High school completion total---
Progress toward attaining English language proficiencyEnglish language proficiency total---
Additional indicatorsChronic absenteeism24-
Advanced coursework completion---
Additional indicators total2410.0
Weighted total1.310.3-
Percentage of possible points 13%-
2023 Criterion-referenced target percentage13%

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 506.4 507.5 1.1 509.4 6043Recovery Path: Met Target
Lowest Performing 481.9 485.7 3.8 487.1 1022Path Forward: Improved Below Target
High needs 491.0 486.2 -4.8 493.3 1610Recovery Path: Declined
Low income 496.2 490.7 -5.5 497.9 560Recovery Path: Declined
EL and Former EL 486.4 483.6 -2.8 488.8 240Path Forward: Declined
Students w/ disabilities 485.1 480.5 -4.6 487.4 1090Recovery Path: Declined
Amer. Ind. or Alaska Nat.-------
Asian 513.8 516.0 2.2 516.8 1844Recovery Path: Exceeded Target
Afr. Amer./Black---- 7--
Hispanic/Latino---- 14--
Multi-race, Non-Hisp./Lat.---- 7--
Nat. Haw. or Pacif. Isl.---- 1--
White 503.3 503.9 0.6 506.6 3913Recovery Path: Met Target

Mathematics achievement - MCAS average composite scaled score - Non-high school
Group 2022 Achievement 2023 Achievement Change 2023 Target N Points Reason
All Students 513.0 512.9 -0.1 515.6 6004Recovery Path: Exceeded Target
Lowest Performing 487.1 491.1 4.0 492.5 1023Recovery Path: Met Target
High needs 497.1 494.3 -2.8 498.8 1580Recovery Path: Declined
Low income 499.7 498.2 -1.5 501.7 563Recovery Path: Met Target
EL and Former EL 499.9 499.0 -0.9 502.9 240Path Forward: Declined
Students w/ disabilities 491.9 489.0 -2.9 494.2 1060Recovery Path: Declined
Amer. Ind. or Alaska Nat.-------
Asian 525.4 524.3 -1.1 528.4 1844Path Forward: Exceeded Target
Afr. Amer./Black---- 7--
Hispanic/Latino---- 14--
Multi-race, Non-Hisp./Lat.---- 7--
Nat. Haw. or Pacif. Isl.---- 1--
White 508.0 508.0 0.0 510.0 3873Recovery Path: Met Target

Science achievement - MCAS average composite scaled score - Non-high school
Group 2022 Achievement 2023 Achievement Change 2023 Target N Points Reason
All Students 510.1 503.3 -6.8 512.3 2080Path Forward: Declined
Lowest Performing-------
High needs 498.0 488.5 -9.5 501.5 540Path Forward: Declined
Low income---- 23--
EL and Former EL---- 2--
Students w/ disabilities 492.4 487.3 -5.1 496.6 380Path Forward: Declined
Amer. Ind. or Alaska Nat.-------
Asian 516.4 509.0 -7.4 518.6 593Path Forward: Met Target
Afr. Amer./Black---- 5--
Hispanic/Latino---- 2--
Multi-race, Non-Hisp./Lat.-------
Nat. Haw. or Pacif. Isl.-------
White 507.2 501.5 -5.7 509.4 1420Path Forward: Declined

English language arts growth - Non-high school
Group 2023 Mean SGP N Points Reason
All Students 54.1 5793Typical Growth - High
Lowest Performing 51.6 1023Typical Growth - High
High needs 47.4 1502Typical Growth - Low
Low income 47.3 532Typical Growth - Low
EL and Former EL 46.3 242Typical Growth - Low
Students w/ disabilities 45.5 1002Typical Growth - Low
Amer. Ind. or Alaska Nat.----
Asian 57.0 1773Typical Growth - High
Afr. Amer./Black- 7--
Hispanic/Latino- 13--
Multi-race, Non-Hisp./Lat.- 7--
Nat. Haw. or Pacif. Isl.----
White 52.6 3753Typical Growth - High

Mathematics growth - Non-high school
Group 2023 Mean SGP N Points Reason
All Students 55.9 5813Typical Growth - High
Lowest Performing 63.7 1024Exceeded Typical Growth
High needs 55.1 1493Typical Growth - High
Low income 59.9 543Typical Growth - High
EL and Former EL 56.9 243Typical Growth - High
Students w/ disabilities 52.4 993Typical Growth - High
Amer. Ind. or Alaska Nat.----
Asian 57.5 1773Typical Growth - High
Afr. Amer./Black- 7--
Hispanic/Latino- 13--
Multi-race, Non-Hisp./Lat.- 7--
Nat. Haw. or Pacif. Isl.----
White 54.7 3773Typical Growth - High

Progress toward attaining English language proficiency - Non-high school
Group 2022 Rate (%) 2023 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 2022 Rate (%) 2023 Rate (%) Change Target N Points Reason
All Students 10.5 9.7 -0.8 9.4 6203Met Target
Lowest Performing 18.6 11.8 -6.8 15.0 1024Exceeded Target
High needs 18.7 18.3 -0.4 16.6 1692Improved Below Target
Low income 23.7 18.0 -5.7 19.4 614Exceeded Target
EL and Former EL 8.3 7.4 -0.9 5.3 274Exceeded Target
Students w/ disabilities 22.9 20.5 -2.4 20.4 1123Met Target
Amer. Ind. or Alaska Nat.-------
Asian 4.8 7.3 2.5 2.7 1914Exceeded Target
Afr. Amer./Black---- 8--
Hispanic/Latino---- 14--
Multi-race, Non-Hisp./Lat.---- 7--
Nat. Haw. or Pacif. Isl.---- 1--
White 13.1 10.8 -2.3 11.9 3994Exceeded 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 615 612100Yes 1 615 60899Yes 1 213 21099Yes 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 168 165 168 162 56 54 392 38197Yes1
Low income 59 59 59 59 23 23 141 141100Yes1
EL and Former EL 26 26 26 26 2 2 54 54100Yes1
Students w/ disabilities 113 110 113 107 40 38 266 25596Yes1
Amer. Ind. or Alaska Nat.-----------
Asian 189 189 189 189 62 61 440 439100Yes1
Afr. Amer./Black 7 7 7 7 5 5 19----
Hispanic/Latino 14 14 14 14 2 2 30----
Multi-race, Non-Hisp./Lat. 7 7 7 7 0- 14----
Nat. Haw. or Pacif. Isl. 1 1 1 1 0- 2----
White 397 394 397 390 144 142 938 92699Yes1


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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