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Winn Brook
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2024
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2024 Official Accountability Report - Winn Brook
Organization Information
DISTRICT NAME
Belmont (00260000)		TITLE I STATUS
Non-Title I School
SCHOOL
Winn Brook (00260005)		GRADES SERVED
K,01,02,03,04
REGION
Coastal		FEDERAL DESIGNATION
-

Overall progress toward improvement targets

 20232024
Annual criterion-referenced target percentage85%70%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2023 x 40%) + (2024 x 60%)		76%
Meeting or exceeding targets

2024 Points awarded

2024 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 achievement44-34-
Mathematics achievement44-34-
Science achievement------
Achievement total8860.06867.5
GrowthEnglish language arts growth24-14-
Mathematics growth24-04-
Growth total4820.01822.5
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 total4410.0---
Additional indicatorsChronic absenteeism04-04-
Advanced coursework completion------
Additional indicators total0410.00410.0
Weighted total6.07.2-4.37.6-
Percentage of possible points 83%-57%-
2024 Annual criterion-referenced target percentage70%

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 achievement44-34-
Mathematics achievement44-34-
Science achievement------
Achievement total8860.06867.5
GrowthEnglish language arts growth34-44-
Mathematics growth24-34-
Growth total5820.07822.5
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 total4410.0---
Additional indicatorsChronic absenteeism44-44-
Advanced coursework completion------
Additional indicators total4410.04410.0
Weighted total6.67.2-6.07.6-
Percentage of possible points 92%-79%-
2023 Annual criterion-referenced target percentage85%

Student group percentile

This group's overall performance relative to the performance of the same student group in schools serving similar grades
91

Overall progress toward improvement targets

 20232024
Annual criterion-referenced target percentage93%74%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2023 x 40%) + (2024 x 60%)		82%
Meeting or exceeding targets

2024 Points awarded

2024 Progress toward improvement targets
Indicator High needs Student Group
(Non-high school grades)
Points earned Total possible points Weight %
AchievementEnglish language arts achievement34-
Mathematics achievement44-
Science achievement---
Achievement total7867.5
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 total5.67.6-
Percentage of possible points 74%-
2024 Annual criterion-referenced target percentage74%

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 achievement44-
Mathematics achievement44-
Science achievement---
Achievement total8867.5
GrowthEnglish language arts growth34-
Mathematics growth34-
Growth total6822.5
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-
Advanced coursework completion---
Additional indicators total3410.0
Weighted total7.17.6-
Percentage of possible points 93%-
2023 Annual criterion-referenced target percentage93%

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 515.4 509.4 -6.0 516.5 1774Recovery Path: Exceeded Target
Lowest Performing 495.3 487.2 -8.1 500.4 213Path Forward: Met Target
High needs 510.1 500.0 -10.1 512.4 633Path Forward: Met Target
Low income---- 6--
EL and Former EL 515.2 505.1 -10.1 517.6 463Path Forward: Met Target
Students w/ disabilities---- 22--
Amer. Ind. or Alaska Nat.-------
Asian 521.4 514.5 -6.9 523.0 544Recovery Path: Exceeded Target
Afr. Amer./Black---- 4--
Hispanic/Latino---- 8--
Multi-race, Non-Hisp./Lat.---- 18--
Nat. Haw. or Pacif. Isl.-------
White 510.4 506.7 -3.7 513.3 933Recovery Path: Met Target

Mathematics achievement - MCAS average composite scaled score - Non-high school
Group 2023 Achievement 2024 Achievement Change 2024 Target N Points Reason
All Students 520.6 517.1 -3.5 522.1 1764Path Forward: Exceeded Target
Lowest Performing 497.6 493.0 -4.6 502.7 213Path Forward: Met Target
High needs 517.1 511.3 -5.8 519.6 624Path Forward: Exceeded Target
Low income---- 6--
EL and Former EL 522.4 518.3 -4.1 525.4 464Path Forward: Exceeded Target
Students w/ disabilities---- 21--
Amer. Ind. or Alaska Nat.-------
Asian 527.4 527.1 -0.3 530.4 544Path Forward: Exceeded Target
Afr. Amer./Black---- 4--
Hispanic/Latino---- 8--
Multi-race, Non-Hisp./Lat.---- 18--
Nat. Haw. or Pacif. Isl.-------
White 515.8 512.1 -3.7 517.5 924Path 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-------
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-------

English language arts growth - Non-high school
Group 2024 Mean SGP N Points Reason
All Students 48.7 872Typical Growth - Low
Lowest Performing 32.4 211Low Growth
High needs 46.5 262Typical Growth - Low
Low income- 2--
EL and Former EL- 17--
Students w/ disabilities- 10--
Amer. Ind. or Alaska Nat.----
Asian 58.7 273Typical Growth - High
Afr. Amer./Black- 1--
Hispanic/Latino- 5--
Multi-race, Non-Hisp./Lat.- 5--
Nat. Haw. or Pacif. Isl.----
White 42.4 492Typical Growth - Low

Mathematics growth - Non-high school
Group 2024 Mean SGP N Points Reason
All Students 44.0 872Typical Growth - Low
Lowest Performing 29.9 210Very Low Growth
High needs 45.5 262Typical Growth - Low
Low income- 2--
EL and Former EL- 17--
Students w/ disabilities- 10--
Amer. Ind. or Alaska Nat.----
Asian 56.4 273Typical Growth - High
Afr. Amer./Black- 1--
Hispanic/Latino- 5--
Multi-race, Non-Hisp./Lat.- 5--
Nat. Haw. or Pacif. Isl.----
White 36.8 491Low Growth

Progress toward attaining English language proficiency - Non-high school
Group 2023 Rate (%) 2024 Rate (%) Change Target N Points Reason
All Students 85.4 92.9 7.5 87.6 564Exceeded Target
Lowest Performing-------
High needs-------
Low income-------
EL and Former EL 85.4 92.9 7.5 87.6 564Exceeded Target
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 5.7 8.8 3.1 4.6 3650Declined
Lowest Performing 4.8 9.5 4.7 1.5 210Declined
High needs 7.7 14.7 7.0 5.6 1560Declined
Low income---- 39--
EL and Former EL 10.2 14.8 4.6 7.2 1220Declined
Students w/ disabilities---- 39--
Amer. Ind. or Alaska Nat.-------
Asian 7.6 9.1 1.5 5.5 1100Declined
Afr. Amer./Black---- 17--
Hispanic/Latino---- 15--
Multi-race, Non-Hisp./Lat.---- 34--
Nat. Haw. or Pacif. Isl.-------
White 3.7 5.8 2.1 2.5 1893Met 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 187 187100Yes 1 187 18699Yes 1 0----

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 73 73 73 72 0- 146 14599Yes1
Low income 8 8 8 8 0- 16----
EL and Former EL 56 56 56 56 0- 112 112100Yes1
Students w/ disabilities 22 22 22 21 0- 44 4398Yes1
Amer. Ind. or Alaska Nat.-----------
Asian 61 61 61 61 0- 122 122100Yes1
Afr. Amer./Black 4 4 4 4 0- 8----
Hispanic/Latino 8 8 8 8 0- 16----
Multi-race, Non-Hisp./Lat. 19 19 19 19 0- 38----
Nat. Haw. or Pacif. Isl.-----------
White 95 95 95 94 0- 190 18999Yes1


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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