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Winn Brook
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2023 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
-

Accountability Information

Overall classificationNot requiring assistance or intervention
Reason for classification
Meeting or exceeding targets
Progress toward improvement targetsAccountability percentile
85% - Meeting or exceeding targets93

Overall progress toward improvement targets

 2023
Criterion-referenced target percentage85%
Progress towards targetsMeeting or exceeding 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 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 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
95

Overall progress toward improvement targets

 2023
Criterion-referenced target percentage93%
Progress towards targetsMeeting or exceeding 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 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 Criterion-referenced target percentage93%

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 516.5 515.4 -1.1 517.6 1804Recovery Path: Exceeded Target
Lowest Performing 500.9 502.8 1.9 506.0 213Path Forward: Met Target
High needs 508.9 510.1 1.2 511.2 634Path Forward: Exceeded Target
Low income---- 9--
EL and Former EL 514.9 515.2 0.3 517.3 434Path Forward: Exceeded Target
Students w/ disabilities---- 19--
Amer. Ind. or Alaska Nat.-------
Asian 520.1 521.4 1.3 521.7 634Recovery Path: Exceeded Target
Afr. Amer./Black---- 1--
Hispanic/Latino---- 8--
Multi-race, Non-Hisp./Lat.---- 15--
Nat. Haw. or Pacif. Isl.-------
White 513.7 510.4 -3.3 516.6 934Recovery 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 520.4 520.6 0.2 521.9 1794Path Forward: Exceeded Target
Lowest Performing 499.9 503.3 3.4 505.0 213Path Forward: Met Target
High needs 515.7 517.1 1.4 518.2 634Path Forward: Exceeded Target
Low income---- 9--
EL and Former EL 523.3 522.4 -0.9 526.3 434Path Forward: Exceeded Target
Students w/ disabilities---- 19--
Amer. Ind. or Alaska Nat.-------
Asian 528.9 527.4 -1.5 531.9 634Path Forward: Exceeded Target
Afr. Amer./Black---- 1--
Hispanic/Latino---- 8--
Multi-race, Non-Hisp./Lat.---- 15--
Nat. Haw. or Pacif. Isl.-------
White 514.3 515.8 1.5 515.3 924Recovery Path: Exceeded Target

Science achievement - MCAS average composite scaled score - Non-high school
Group 2022 Achievement 2023 Achievement Change 2023 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 2023 Mean SGP N Points Reason
All Students 53.0 813Typical Growth - High
Lowest Performing 61.2 214Exceeded Typical Growth
High needs 51.8 313Typical Growth - High
Low income- 5--
EL and Former EL 54.7 223Typical Growth - High
Students w/ disabilities- 8--
Amer. Ind. or Alaska Nat.----
Asian 59.6 323Typical Growth - High
Afr. Amer./Black----
Hispanic/Latino- 4--
Multi-race, Non-Hisp./Lat.- 7--
Nat. Haw. or Pacif. Isl.----
White 47.4 382Typical Growth - Low

Mathematics growth - Non-high school
Group 2023 Mean SGP N Points Reason
All Students 49.1 822Typical Growth - Low
Lowest Performing 53.2 213Typical Growth - High
High needs 53.3 323Typical Growth - High
Low income- 6--
EL and Former EL 53.3 223Typical Growth - High
Students w/ disabilities- 8--
Amer. Ind. or Alaska Nat.----
Asian 54.8 333Typical Growth - High
Afr. Amer./Black----
Hispanic/Latino- 4--
Multi-race, Non-Hisp./Lat.- 7--
Nat. Haw. or Pacif. Isl.----
White 48.4 382Typical Growth - Low

Progress toward attaining English language proficiency - Non-high school
Group 2022 Rate (%) 2023 Rate (%) Change Target N Points Reason
All Students 78.0 85.4 7.4 80.2 414Exceeded Target
Lowest Performing-------
High needs-------
Low income-------
EL and Former EL 78.0 85.4 7.4 80.2 414Exceeded 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 2022 Rate (%) 2023 Rate (%) Change Target N Points Reason
All Students 8.6 5.7 -2.9 7.5 3674Exceeded Target
Lowest Performing 9.5 0.0 -9.5 6.2 214Exceeded Target
High needs 8.8 7.7 -1.1 6.7 1433Met Target
Low income---- 22--
EL and Former EL 8.6 10.2 1.6 5.6 1080Declined
Students w/ disabilities---- 38--
Amer. Ind. or Alaska Nat.-------
Asian 14.5 7.6 -6.9 12.4 1194Exceeded Target
Afr. Amer./Black---- 7--
Hispanic/Latino---- 19--
Multi-race, Non-Hisp./Lat.---- 31--
Nat. Haw. or Pacif. Isl.-------
White 4.6 3.7 -0.9 3.4 1914Exceeded 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 186 18599Yes 1 186 18398Yes 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 66 66 66 65 0- 132 13199Yes1
Low income 10 10 10 9 0- 20----
EL and Former EL 46 46 46 45 0- 92 9199Yes1
Students w/ disabilities 19 19 19 19 0- 38----
Amer. Ind. or Alaska Nat.-----------
Asian 67 66 67 66 0- 134 13299Yes1
Afr. Amer./Black 1 1 1 1 0- 2----
Hispanic/Latino 9 9 9 9 0- 18----
Multi-race, Non-Hisp./Lat. 15 15 15 15 0- 30----
Nat. Haw. or Pacif. Isl.-----------
White 94 94 94 92 0- 188 18699Yes1


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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