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Winchester High School
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2019 Official Accountability Report - Winchester High School
Organization Information
DISTRICT NAME
Winchester (03440000)		TITLE I STATUS
Non-Title I School
REGION
Coastal		GRADES SERVED
09,10,11,12

Accountability Information

Overall classificationNot requiring assistance or intervention
Reason for classification
Meeting or exceeding targets
Progress toward improvement targetsAccountability percentile
77% - Meeting or exceeding targets96.00

Overall progress toward improvement targets

 20182019
Annual criterion-referenced target percentage88%70%
Weight40%60%
Cumulative criterion-referenced target percentage
(2018 x 40%) + (2019 x 60%)		77%
Meeting or exceeding targets
Weighted total------
Percentage of possible points ----
Criterion-referenced target percentage70%
Weighted total------ Percentage of possible points ---- Criterion-referenced target percentage88%

Overall progress toward improvement targets

 20182019
Annual criterion-referenced target percentage87%46%
Weight40%60%
Cumulative criterion-referenced target percentage
(2018 x 40%) + (2019 x 60%)		62%
Substantial progress toward targets
Weighted total--- Percentage of possible points -- 2019 Annual criterion-referenced target percentage46% Weighted total--- Percentage of possible points -- 2018 Annual criterion-referenced target percentage87%

Subgroup percentile

This group's overall performance relative to the performance of the same subgroup in schools serving similar grades
95

Detailed data for each indicator

English language arts achievement - MCAS Composite Performance Index (CPI) - High school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 99.7 99.9 0.2 100.0 3624Exceeded Target
Lowest Performing 99.4 99.4 0.0 100.0 904Exceeded Target
High needs 98.8 99.7 0.9 100.0 894Exceeded Target
Econ. Disadvantaged 100.0 100.0 0.0 100.0 274Exceeded Target
EL and Former EL---- 16--
Students w/ disabilities 98.3 99.6 1.3 100.0 634Exceeded Target
Amer. Ind. or Alaska Nat.---- 1--
Asian 99.3 100.0 0.7 100.0 584Exceeded Target
Afr. Amer./Black---- 5--
Hispanic/Latino---- 16--
Multi-race, Non-Hisp./Lat.---- 7--
Nat. Haw. or Pacif. Isl.-------
White 99.8 99.8 0.0 100.0 2754Exceeded Target

Mathematics achievement - MCAS Composite Performance Index (CPI) - High school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 98.6 98.4 -0.2 100.0 3604Exceeded Target
Lowest Performing 95.1 95.0 -0.1 97.2 903Met Target
High needs 94.6 94.0 -0.6 96.6 881No Change
Econ. Disadvantaged 99.0 95.4 -3.6 100.0 270Declined
EL and Former EL---- 16--
Students w/ disabilities 92.2 91.9 -0.3 94.8 623Met Target
Amer. Ind. or Alaska Nat.---- 1--
Asian 99.3 98.3 -1.0 100.0 584Exceeded Target
Afr. Amer./Black---- 5--
Hispanic/Latino---- 16--
Multi-race, Non-Hisp./Lat.---- 7--
Nat. Haw. or Pacif. Isl.-------
White 98.8 98.3 -0.5 100.0 2734Exceeded Target

Science achievement - MCAS Composite Performance Index (CPI) - High school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 98.9 98.0 -0.9 100.0 3464Exceeded Target
Lowest Performing 96.0 92.8 -3.2 98.3 900Declined
High needs 95.4 92.2 -3.2 98.0 830Declined
Econ. Disadvantaged 96.7 92.6 -4.1 98.7 270Declined
EL and Former EL---- 14--
Students w/ disabilities 93.9 90.3 -3.6 96.4 593Met Target
Amer. Ind. or Alaska Nat.---- 1--
Asian 99.3 100.0 0.7 100.0 544Exceeded Target
Afr. Amer./Black---- 5--
Hispanic/Latino---- 15--
Multi-race, Non-Hisp./Lat.---- 5--
Nat. Haw. or Pacif. Isl.-------
White 98.9 97.7 -1.2 100.0 2664Exceeded Target

English language arts growth - High school
Group 2019 Mean SGP N Points Reason
All Students 48.3 3352Typical Growth - Low
Lowest Performing 28.7 850Very Low Growth
High needs 37.4 771Low Growth
Econ. Disadvantaged 41.5 232Typical Growth - Low
EL and Former EL- 9--
Students w/ disabilities 35.9 591Low Growth
Amer. Ind. or Alaska Nat.- 1--
Asian 58.8 533Typical Growth - High
Afr. Amer./Black- 2--
Hispanic/Latino- 12--
Multi-race, Non-Hisp./Lat.- 6--
Nat. Haw. or Pacif. Isl.----
White 46.7 2612Typical Growth - Low

Mathematics growth - High school
Group 2019 Mean SGP N Points Reason
All Students 56.4 3333Typical Growth - High
Lowest Performing 53.6 843Typical Growth - High
High needs 54.3 763Typical Growth - High
Econ. Disadvantaged 54.0 233Typical Growth - High
EL and Former EL- 9--
Students w/ disabilities 53.9 583Typical Growth - High
Amer. Ind. or Alaska Nat.- 1--
Asian 63.0 534Exceeded Typical Growth
Afr. Amer./Black- 2--
Hispanic/Latino- 12--
Multi-race, Non-Hisp./Lat.- 5--
Nat. Haw. or Pacif. Isl.----
White 55.0 2603Typical Growth - High

Four-year cohort graduation rate - High school
Group 2017 Rate (%) 2018 Rate (%) Change Target (%) N Points Reason
All Students 99.3 94.9 -4.4 100.0 3320Declined
Lowest Performing-------
High needs 97.5 86.0 -11.5 100.0 930Declined
Econ. Disadvantaged 96.9 86.1 -10.8 100.0 360Declined
EL and Former EL---- 8--
Students w/ disabilities 96.5 81.3 -15.2 100.0 640Declined
Amer. Ind. or Alaska Nat.-------
Asian 100.0 96.3 -3.7 100.0 543Met Target
Afr. Amer./Black---- 6--
Hispanic/Latino---- 12--
Multi-race, Non-Hisp./Lat.---- 12--
Nat. Haw. or Pacif. Isl.-------
White 99.1 94.4 -4.7 100.0 2480Declined

Extended engagement rate - High school
Group 2016 Rate (%) 2017 Rate (%) Change Target (%) N Points Reason
All Students 99.0 99.6 0.6 100.0 2714Exceeded Target
Lowest Performing-------
High needs 98.6 98.8 0.2 100.0 803Met Target
Econ. Disadvantaged 97.2 100.0 2.8 100.0 324Exceeded Target
EL and Former EL---- 4--
Students w/ disabilities 100.0 98.2 -1.8 100.0 573Met Target
Amer. Ind. or Alaska Nat.-------
Asian 100.0 100.0 0.0 100.0 344Exceeded Target
Afr. Amer./Black---- 2--
Hispanic/Latino---- 12--
Multi-race, Non-Hisp./Lat.---- 9--
Nat. Haw. or Pacif. Isl.-------
White 99.2 99.5 0.3 100.0 2144Exceeded Target

Annual dropout rate - High school
Group 2017 Rate (%) 2018 Rate (%) Change Target (%) N Points Reason
All Students 0.0 0.3 0.3 1.0 1,3513Met Target
Lowest Performing-------
High needs 0.0 0.3 0.3 1.0 3243Met Target
Econ. Disadvantaged 0.0 0.0 0.0 1.0 874Exceeded Target
EL and Former EL---- 20--
Students w/ disabilities 0.0 0.4 0.4 1.0 2403Met Target
Amer. Ind. or Alaska Nat.---- 2--
Asian 0.0 0.0 0.0 1.0 2274Exceeded Target
Afr. Amer./Black---- 21--
Hispanic/Latino---- 55--
Multi-race, Non-Hisp./Lat.---- 47--
Nat. Haw. or Pacif. Isl.-------
White 0.0 0.4 0.4 1.0 9993Met Target

Progress toward attaining English language proficiency - 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 - High school
Group 2018 Rate (%) 2019 Rate (%) Change Target N Points Reason
All Students 8.6 7.2 -1.4 7.5 1,3673Met Target
Lowest Performing 4.6 3.3 -1.3 0.6 904Exceeded Target
High needs 16.4 16.9 0.5 13.3 3491No Change
Econ. Disadvantaged 20.9 20.0 -0.9 16.7 852Improved Below Target
EL and Former EL---- 68--
Students w/ disabilities 17.7 21.3 3.6 13.8 2400Declined
Amer. Ind. or Alaska Nat.---- 3--
Asian 5.3 2.9 -2.4 3.4 2384Exceeded Target
Afr. Amer./Black---- 16--
Hispanic/Latino---- 64--
Multi-race, Non-Hisp./Lat.---- 53--
Nat. Haw. or Pacif. Isl.---- 2--
White 8.9 7.7 -1.2 7.5 9913Met Target

Advanced coursework completion - High school
Group 2018 Rate (%) 2019 Rate (%) Change Target N Points Reason
All Students 99.8 95.9 -3.9 100.0 6524Exceeded Target
Lowest Performing-------
High needs 100.0 86.5 -13.5 100.0 1703Met Target
Econ. Disadvantaged 100.0 90.9 -9.1 100.0 554Exceeded Target
EL and Former EL---- 24--
Students w/ disabilities 100.0 82.3 -17.7 100.0 1243Met Target
Amer. Ind. or Alaska Nat.---- 1--
Asian 100.0 97.4 -2.6 100.0 1144Exceeded Target
Afr. Amer./Black---- 10--
Hispanic/Latino---- 33--
Multi-race, Non-Hisp./Lat.---- 28--
Nat. Haw. or Pacif. Isl.-------
White 99.8 95.3 -4.5 100.0 4664Exceeded Target


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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