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Stony Brook School
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2019 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
70% - Substantial progress toward targets86

Overall progress toward improvement targets

 20182019
Annual criterion-referenced target percentage51%83%
Weight40%60%
Cumulative criterion-referenced target percentage
(2018 x 40%) + (2019 x 60%)		70%
Substantial progress toward targets

2019 Points awarded

2019 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 achievement34-34-
Mathematics achievement44-44-
Science achievement34----
Achievement total101267.57867.5
GrowthEnglish language arts growth34-24-
Mathematics growth34-34-
Growth total6822.55822.5
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 absenteeism44-44-
Advanced coursework completion------
Additional indicators total4410.04410.0
Weighted total8.510.3-6.37.6-
Percentage of possible points 83%-83%-
Criterion-referenced target percentage83%

2018 Points awarded

2018 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 achievement44-04-
Mathematics achievement44-34-
Science achievement04----
Achievement total81267.53867.5
GrowthEnglish language arts growth24-24-
Mathematics growth24-24-
Growth total4822.54822.5
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 absenteeism34-04-
Advanced coursework completion------
Additional indicators total3410.00410.0
Weighted total6.610.3-2.97.6-
Percentage of possible points 64%-38%-
Criterion-referenced target percentage51%

Overall progress toward improvement targets

 20182019
Annual criterion-referenced target percentage75%67%
Weight40%60%
Cumulative criterion-referenced target percentage
(2018 x 40%) + (2019 x 60%)		70%
Substantial progress toward targets

2019 Points awarded

2019 Progress toward improvement targets
Indicator High needs Subgroup
(Non-high school grades)
Points earned Total possible points Weight %
AchievementEnglish language arts achievement24-
Mathematics achievement44-
Science achievement24-
Achievement total81267.5
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 absenteeism44-
Advanced coursework completion---
Additional indicators total4410.0
Weighted total6.910.3-
Percentage of possible points 67%-
2019 Annual criterion-referenced target percentage67%

2018 Points awarded

2018 Progress toward improvement targets
Indicator High needs Subgroup
(Non-high school grades)
Points earned Total possible points Weight %
AchievementEnglish language arts achievement44-
Mathematics achievement44-
Science achievement24-
Achievement total101267.5
GrowthEnglish language arts growth24-
Mathematics growth24-
Growth total4822.5
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 absenteeism04-
Advanced coursework completion---
Additional indicators total0410.0
Weighted total7.710.3-
Percentage of possible points 75%-
2018 Annual criterion-referenced target percentage75%

Subgroup percentile

This group's overall performance relative to the performance of the same subgroup in schools serving similar grades
69

Detailed data for each indicator

English language arts achievement - MCAS average composite scaled score - Non-high school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 512.0 512.4 0.4 513.0 6573Met Target
Lowest Performing 489.4 493.2 3.8 493.5 1133Met Target
High needs 495.4 495.6 0.2 496.4 1352Improved Below Target
Econ. Disadvantaged 497.4 497.9 0.5 498.4 353Met Target
EL and Former EL---- 14--
Students w/ disabilities 487.5 492.0 4.5 488.5 1024Exceeded Target
Amer. Ind. or Alaska Nat.-------
Asian 520.7 519.7 -1.0 521.7 1724Exceeded Target
Afr. Amer./Black---- 5--
Hispanic/Latino---- 7--
Multi-race, Non-Hisp./Lat.---- 19--
Nat. Haw. or Pacif. Isl.-------
White 508.8 509.9 1.1 509.8 4543Met Target

Mathematics achievement - MCAS average composite scaled score - Non-high school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 515.7 518.1 2.4 516.7 6554Exceeded Target
Lowest Performing 493.2 497.6 4.4 496.4 1134Exceeded Target
High needs 498.5 502.3 3.8 499.8 1344Exceeded Target
Econ. Disadvantaged 496.6 503.6 7.0 498.1 344Exceeded Target
EL and Former EL---- 14--
Students w/ disabilities 492.9 498.7 5.8 494.7 1024Exceeded Target
Amer. Ind. or Alaska Nat.-------
Asian 526.6 530.2 3.6 528.7 1724Exceeded Target
Afr. Amer./Black---- 5--
Hispanic/Latino---- 7--
Multi-race, Non-Hisp./Lat.---- 18--
Nat. Haw. or Pacif. Isl.-------
White 511.7 514.0 2.3 512.7 4534Exceeded Target

Science achievement - MCAS Composite Performance Index (CPI) - Non-high school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 83.1 84.5 1.4 85.3 2483Met Target
Lowest Performing-------
High needs 63.6 65.3 1.7 66.9 442Improved Below Target
Econ. Disadvantaged---- 11--
EL and Former EL---- 3--
Students w/ disabilities 59.4 63.3 3.9 62.4 323Met Target
Amer. Ind. or Alaska Nat.-------
Asian 90.6 88.0 -2.6 92.7 733Met Target
Afr. Amer./Black-------
Hispanic/Latino---- 1--
Multi-race, Non-Hisp./Lat.---- 4--
Nat. Haw. or Pacif. Isl.-------
White 80.5 82.8 2.3 82.4 1703Met Target

English language arts growth - Non-high school
Group 2019 Mean SGP N Points Reason
All Students 52.5 6463Typical Growth - High
Lowest Performing 48.4 1132Typical Growth - Low
High needs 46.1 1312Typical Growth - Low
Econ. Disadvantaged 48.9 352Typical Growth - Low
EL and Former EL- 14--
Students w/ disabilities 45.7 982Typical Growth - Low
Amer. Ind. or Alaska Nat.----
Asian 56.2 1683Typical Growth - High
Afr. Amer./Black- 5--
Hispanic/Latino- 7--
Multi-race, Non-Hisp./Lat.- 19--
Nat. Haw. or Pacif. Isl.----
White 51.4 4473Typical Growth - High

Mathematics growth - Non-high school
Group 2019 Mean SGP N Points Reason
All Students 55.8 6433Typical Growth - High
Lowest Performing 59.2 1133Typical Growth - High
High needs 58.7 1293Typical Growth - High
Econ. Disadvantaged 59.0 343Typical Growth - High
EL and Former EL- 14--
Students w/ disabilities 58.2 973Typical Growth - High
Amer. Ind. or Alaska Nat.----
Asian 59.9 1683Typical Growth - High
Afr. Amer./Black- 5--
Hispanic/Latino- 7--
Multi-race, Non-Hisp./Lat.- 18--
Nat. Haw. or Pacif. Isl.----
White 54.6 4453Typical Growth - High

Progress toward attaining English language proficiency - Non-high school
Group 2018 Rate (%) 2019 Rate (%) Change Target N Points Reason
All Students-------
Lowest Performing-------
High needs-------
Econ. Disadvantaged-------
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 2018 Rate (%) 2019 Rate (%) Change Target N Points Reason
All Students 3.8 3.0 -0.8 2.7 6704Exceeded Target
Lowest Performing 4.4 3.5 -0.9 1.1 1144Exceeded Target
High needs 13.2 7.1 -6.1 11.1 1414Exceeded Target
Econ. Disadvantaged 15.8 3.4 -12.4 11.5 294Exceeded Target
EL and Former EL---- 19--
Students w/ disabilities 15.4 8.7 -6.7 12.9 1034Exceeded Target
Amer. Ind. or Alaska Nat.-------
Asian 0.6 0.6 0.0 0.0 1754Exceeded Target
Afr. Amer./Black---- 5--
Hispanic/Latino---- 7--
Multi-race, Non-Hisp./Lat.---- 19--
Nat. Haw. or Pacif. Isl.-------
White 4.9 3.9 -1.0 3.7 4644Exceeded 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 663 663100Yes 1 661 661100Yes 1 251 251100Yes 1

Assessment participation - Subgroups
Group English language arts Mathematics Science Overall
Enrolled Assessed Enrolled Assessed Enrolled Assessed Total Enrolled Total Assessed % Met Target? Years in Rate
High needs 140 140 139 139 46 46 325 325100Yes1
Econ. Disadvantaged 36 36 35 35 12 12 83 83100Yes1
EL and Former EL 19 19 19 19 5 5 43----
Students w/ disabilities 102 102 102 102 32 32 236 236100Yes1
Amer. Ind. or Alaska Nat.-----------
Asian 175 175 175 175 74 74 424 424100Yes1
Afr. Amer./Black 5 5 5 5-- 10----
Hispanic/Latino 7 7 7 7 1 1 15----
Multi-race, Non-Hisp./Lat. 19 19 18 18 4 4 41----
Nat. Haw. or Pacif. Isl.-----------
White 457 457 456 456 172 172 1,085 1,085100Yes1


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.


Resources
Interpretive Materials Interpretive Materials
Glossary of Accountability Terms Glossary of 2019 Accountability Terms

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