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Lexington High
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2019 Official Accountability Report - Lexington High
Organization Information
DISTRICT NAME
Lexington (01550000)		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
90% - Meeting or exceeding targets98

Overall progress toward improvement targets

 20182019
Annual criterion-referenced target percentage90%90%
Weight40%60%
Cumulative criterion-referenced target percentage
(2018 x 40%) + (2019 x 60%)		90%
Meeting or exceeding targets
Weighted total------
Percentage of possible points ----
Criterion-referenced target percentage90%
Weighted total------ Percentage of possible points ---- Criterion-referenced target percentage90%

Overall progress toward improvement targets

 20182019
Annual criterion-referenced target percentage83%82%
Weight40%60%
Cumulative criterion-referenced target percentage
(2018 x 40%) + (2019 x 60%)		83%
Meeting or exceeding targets
Weighted total--- Percentage of possible points -- 2019 Annual criterion-referenced target percentage82% Weighted total--- Percentage of possible points -- 2018 Annual criterion-referenced target percentage83%

Subgroup percentile

This group's overall performance relative to the performance of the same subgroup in schools serving similar grades
97

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 99.8 99.9 0.1 100.0 5284Exceeded Target
Lowest Performing 100.0 99.8 -0.2 100.0 1254Exceeded Target
High needs 99.0 99.4 0.4 100.0 1174Exceeded Target
Econ. Disadvantaged 98.8 100.0 1.2 100.0 324Exceeded Target
EL and Former EL 97.7 97.7 0.0 100.0 224Exceeded Target
Students w/ disabilities 99.6 99.6 0.0 100.0 714Exceeded Target
Amer. Ind. or Alaska Nat.---- 2--
Asian 99.6 99.9 0.3 100.0 1964Exceeded Target
Afr. Amer./Black---- 15--
Hispanic/Latino---- 23--
Multi-race, Non-Hisp./Lat. 100.0 100.0 0.0 100.0 334Exceeded Target
Nat. Haw. or Pacif. Isl.-------
White 100.0 100.0 0.0 100.0 2594Exceeded Target

Mathematics achievement - MCAS Composite Performance Index (CPI) - High school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 99.5 99.9 0.4 100.0 5274Exceeded Target
Lowest Performing 98.0 99.8 1.8 100.0 1264Exceeded Target
High needs 97.9 99.6 1.7 99.9 1184Exceeded Target
Econ. Disadvantaged 95.1 99.2 4.1 97.4 334Exceeded Target
EL and Former EL 100.0 100.0 0.0 100.0 224Exceeded Target
Students w/ disabilities 96.2 99.3 3.1 98.8 724Exceeded Target
Amer. Ind. or Alaska Nat.---- 2--
Asian 99.9 100.0 0.1 100.0 1954Exceeded Target
Afr. Amer./Black---- 15--
Hispanic/Latino---- 23--
Multi-race, Non-Hisp./Lat. 97.7 99.2 1.5 99.5 324Exceeded Target
Nat. Haw. or Pacif. Isl.-------
White 99.8 99.9 0.1 100.0 2604Exceeded 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 99.4 0.5 100.0 4954Exceeded Target
Lowest Performing 96.0 97.8 1.8 98.3 1254Exceeded Target
High needs 96.0 97.5 1.5 98.6 1104Exceeded Target
Econ. Disadvantaged 95.1 98.3 3.2 97.1 304Exceeded Target
EL and Former EL 96.9 96.3 -0.6 100.0 203Met Target
Students w/ disabilities 94.5 97.1 2.6 97.0 693Met Target
Amer. Ind. or Alaska Nat.---- 2--
Asian 99.3 99.7 0.4 100.0 1814Exceeded Target
Afr. Amer./Black---- 14--
Hispanic/Latino---- 21--
Multi-race, Non-Hisp./Lat. 99.1 99.2 0.1 100.0 304Exceeded Target
Nat. Haw. or Pacif. Isl.-------
White 99.1 99.3 0.2 100.0 2474Exceeded Target

English language arts growth - High school
Group 2019 Mean SGP N Points Reason
All Students 53.2 4683Typical Growth - High
Lowest Performing 36.2 1121Low Growth
High needs 48.2 1002Typical Growth - Low
Econ. Disadvantaged 45.0 272Typical Growth - Low
EL and Former EL- 10--
Students w/ disabilities 48.2 682Typical Growth - Low
Amer. Ind. or Alaska Nat.- 2--
Asian 56.8 1693Typical Growth - High
Afr. Amer./Black- 14--
Hispanic/Latino- 18--
Multi-race, Non-Hisp./Lat. 49.2 292Typical Growth - Low
Nat. Haw. or Pacif. Isl.----
White 51.9 2363Typical Growth - High

Mathematics growth - High school
Group 2019 Mean SGP N Points Reason
All Students 50.3 4663Typical Growth - High
Lowest Performing 40.7 1122Typical Growth - Low
High needs 48.3 1002Typical Growth - Low
Econ. Disadvantaged 52.1 273Typical Growth - High
EL and Former EL- 10--
Students w/ disabilities 49.1 682Typical Growth - Low
Amer. Ind. or Alaska Nat.- 2--
Asian 56.3 1693Typical Growth - High
Afr. Amer./Black- 14--
Hispanic/Latino- 18--
Multi-race, Non-Hisp./Lat. 52.0 283Typical Growth - High
Nat. Haw. or Pacif. Isl.----
White 46.2 2352Typical Growth - Low

Four-year cohort graduation rate - High school
Group 2017 Rate (%) 2018 Rate (%) Change Target (%) N Points Reason
All Students 99.0 98.2 -0.8 100.0 5513Met Target
Lowest Performing-------
High needs 95.5 95.1 -0.4 98.7 1443Met Target
Econ. Disadvantaged 94.4 95.6 1.2 98.0 683Met Target
EL and Former EL---- 17--
Students w/ disabilities 94.2 93.6 -0.6 98.1 780Declined
Amer. Ind. or Alaska Nat.-------
Asian 100.0 98.3 -1.7 100.0 1793Met Target
Afr. Amer./Black---- 23--
Hispanic/Latino---- 22--
Multi-race, Non-Hisp./Lat.---- 24--
Nat. Haw. or Pacif. Isl.-------
White 98.2 98.0 -0.2 99.6 3033Met Target

Extended engagement rate - High school
Group 2016 Rate (%) 2017 Rate (%) Change Target (%) N Points Reason
All Students 98.9 99.6 0.7 99.9 5204Exceeded Target
Lowest Performing-------
High needs 97.7 98.2 0.5 100.0 1113Met Target
Econ. Disadvantaged 97.1 98.6 1.5 100.0 723Met Target
EL and Former EL---- 14--
Students w/ disabilities 98.6 98.1 -0.5 100.0 523Met Target
Amer. Ind. or Alaska Nat.-------
Asian 98.8 100.0 1.2 99.8 1814Exceeded Target
Afr. Amer./Black---- 23--
Hispanic/Latino---- 17--
Multi-race, Non-Hisp./Lat.---- 19--
Nat. Haw. or Pacif. Isl.-------
White 98.7 99.3 0.6 99.9 2803Met Target

Annual dropout rate - High school
Group 2017 Rate (%) 2018 Rate (%) Change Target (%) N Points Reason
All Students 0.1 0.1 0.0 1.0 2,2123Met Target
Lowest Performing-------
High needs 0.8 0.5 -0.3 1.0 4174Exceeded Target
Econ. Disadvantaged 0.8 0.0 -0.8 1.0 1344Exceeded Target
EL and Former EL 0.0 2.0 2.0 1.0 500Declined
Students w/ disabilities 0.9 0.4 -0.5 1.0 2334Exceeded Target
Amer. Ind. or Alaska Nat.---- 2--
Asian 0.0 0.1 0.1 1.0 8023Met Target
Afr. Amer./Black---- 76--
Hispanic/Latino---- 80--
Multi-race, Non-Hisp./Lat. 0.0 0.0 0.0 1.0 1114Exceeded Target
Nat. Haw. or Pacif. Isl.-------
White 0.3 0.1 -0.2 1.0 1,1414Exceeded Target

Progress toward attaining English language proficiency - High school
Group 2018 Rate (%) 2019 Rate (%) Change Target N Points Reason
All Students 84.4 81.0 -3.4 90.4 424Exceeded Target
Lowest Performing-------
High needs-------
Econ. Disadvantaged-------
EL and Former EL 84.4 81.0 -3.4 90.4 424Exceeded 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 - High school
Group 2018 Rate (%) 2019 Rate (%) Change Target N Points Reason
All Students 3.5 5.1 1.6 2.4 2,2734Exceeded Target
Lowest Performing 2.2 7.9 5.7 0.0 1263Met Target
High needs 7.9 11.6 3.7 4.8 4930Declined
Econ. Disadvantaged 8.8 14.2 5.4 4.6 1200Declined
EL and Former EL 9.8 8.3 -1.5 5.3 1563Met Target
Students w/ disabilities 7.6 13.3 5.7 3.7 2410Declined
Amer. Ind. or Alaska Nat.---- 3--
Asian 2.1 2.9 0.8 0.2 8644Exceeded Target
Afr. Amer./Black---- 83--
Hispanic/Latino---- 85--
Multi-race, Non-Hisp./Lat. 4.5 6.6 2.1 3.4 1213Met Target
Nat. Haw. or Pacif. Isl.-------
White 4.0 6.1 2.1 2.6 1,1174Exceeded Target

Advanced coursework completion - High school
Group 2018 Rate (%) 2019 Rate (%) Change Target N Points Reason
All Students 86.9 87.4 0.5 89.6 1,1193Met Target
Lowest Performing-------
High needs 66.1 66.4 0.3 72.7 2442Improved Below Target
Econ. Disadvantaged 65.0 58.0 -7.0 72.7 810Declined
EL and Former EL 82.5 82.7 0.2 85.2 813Met Target
Students w/ disabilities 47.5 52.2 4.7 54.7 1152Improved Below Target
Amer. Ind. or Alaska Nat.---- 1--
Asian 96.0 94.9 -1.1 99.2 4294Exceeded Target
Afr. Amer./Black---- 37--
Hispanic/Latino---- 40--
Multi-race, Non-Hisp./Lat. 95.6 80.0 -15.6 98.3 550Declined
Nat. Haw. or Pacif. Isl.-------
White 83.1 86.4 3.3 85.9 5573Met 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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