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Lexington High
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2018 Official Accountability Report - Lexington High
Organization Information
DISTRICT NAME
Lexington (01550000)		TITLE I STATUS
Non-Title I School
SCHOOL
Lexington High (01550505)		GRADES SERVED
09,10,11,12
REGION
Coastal		FEDERAL DESIGNATION
-

Accountability Information

Overall classificationNot requiring assistance or intervention
Reason for classification
School of Recognition: High Achievement
Progress toward improvement targetsAccountability percentile
90% - Meeting targets98

Overall results

Progress toward improvement targets
Indicator All students
(High school grades)		 Lowest performing students
(High school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement44-44-
Mathematics achievement44-44-
Science achievement44-34-
Achievement total121240.0111267.5
GrowthEnglish language arts growth34-24-
Mathematics growth34-34-
Growth total6820.05822.5
High school completionFour-year cohort graduation rate44----
Extended engagement rate34----
Annual dropout rate44----
High school completion total111220.0---
Progress toward attaining English language proficiencyEnglish language proficiency total3410.0---
Additional indicatorsChronic absenteeism44-44-
Advanced coursework completion34----
Additional indicators total7810.04410.0
Weighted total9.210.0-9.010.3-
Percentage of possible points 92%-87%-
Criterion-referenced target percentage90%
Meeting targets

Subgroup results

Progress toward improvement targets
Indicator High needs Subgroup
(High school grades)
Points earned Total possible points Weight %
AchievementEnglish language arts achievement44-
Mathematics achievement44-
Science achievement34-
Achievement total111247.5
GrowthEnglish language arts growth34-
Mathematics growth34-
Growth total6822.5
High school completionFour-year cohort graduation rate34-
Extended engagement rate34-
Annual dropout rate34-
High school completion total91220.0
Progress toward attaining English language proficiencyEnglish language proficiency total---
Additional indicatorsChronic absenteeism34-
Advanced coursework completion24-
Additional indicators total5810.0
Weighted total8.910.7-
Percentage of possible points 83%-
Criterion-referenced target percentage83%
Meeting targets
Subgroup percentile
This group's overall performance relative to the performance of the same subgroup in schools administering similar assessments 98

Detailed data for each indicator

English language arts achievement - legacy MCAS Composite Performance Index (CPI) - High school
Group 2017 Achievement 2018 Achievement Change 2018 Target N Points Reason
All Students 99.6 99.8 0.2 100.0 5664Exceeded Target
Lowest Performing 98.6 100.0 1.4 100.0 1364Exceeded Target
High needs 97.8 99.0 1.2 99.4 1294Exceeded Target
Econ. Disadvantaged 95.7 98.8 3.1 97.6 414Exceeded Target
EL and Former EL 100.0 97.7 -2.3 100.0 444Exceeded Target
Students w/ disabilities 96.4 99.6 3.2 98.3 584Exceeded Target
Amer. Ind. or Alaska Nat.-------
Asian 100.0 99.6 -0.4 100.0 2364Exceeded Target
Afr. Amer./Black---- 22--
Hispanic/Latino---- 17--
Multi-race, Non-Hisp./Lat. 100.0 100.0 0.0 100.0 324Exceeded Target
Nat. Haw. or Pacif. Isl.-------
White 99.3 100.0 0.7 100.0 2594Exceeded Target

Mathematics achievement - legacy MCAS Composite Performance Index (CPI) - High school
Group 2017 Achievement 2018 Achievement Change 2018 Target N Points Reason
All Students 99.3 99.5 0.2 100.0 5654Exceeded Target
Lowest Performing 97.3 98.0 0.7 99.3 1364Exceeded Target
High needs 96.8 97.9 1.1 99.0 1294Exceeded Target
Econ. Disadvantaged 96.7 95.1 -1.6 98.7 413Met Target
EL and Former EL 100.0 100.0 0.0 100.0 434Exceeded Target
Students w/ disabilities 94.8 96.2 1.4 97.8 593Met Target
Amer. Ind. or Alaska Nat.-------
Asian 100.0 99.9 -0.1 100.0 2344Exceeded Target
Afr. Amer./Black---- 22--
Hispanic/Latino---- 17--
Multi-race, Non-Hisp./Lat. 100.0 97.7 -2.3 100.0 324Exceeded Target
Nat. Haw. or Pacif. Isl.-------
White 99.2 99.8 0.6 100.0 2604Exceeded Target

Science achievement - legacy MCAS Composite Performance Index (CPI) - High school
Group 2017 Achievement 2018 Achievement Change 2018 Target N Points Reason
All Students 98.7 98.9 0.2 100.0 5344Exceeded Target
Lowest Performing 95.3 96.0 0.7 97.4 1363Met Target
High needs 93.0 96.0 3.0 95.3 1193Met Target
Econ. Disadvantaged 91.7 95.1 3.4 93.6 364Exceeded Target
EL and Former EL 99.0 96.9 -2.1 100.0 403Met Target
Students w/ disabilities 89.7 94.5 4.8 92.0 554Exceeded Target
Amer. Ind. or Alaska Nat.-------
Asian 99.9 99.3 -0.6 100.0 2264Exceeded Target
Afr. Amer./Black---- 19--
Hispanic/Latino---- 17--
Multi-race, Non-Hisp./Lat. 97.6 99.1 1.5 99.4 274Exceeded Target
Nat. Haw. or Pacif. Isl.-------
White 98.4 99.1 0.7 99.8 2454Exceeded Target

English language arts growth - High school
Group 2018 Mean SGP 2018 Target N Points Reason
All Students 52.7 50.0 4893Met Target
Lowest Performing 40.2 50.0 1182Below Target
High needs 54.2 50.0 1023Met Target
Econ. Disadvantaged 55.4 50.0 363Met Target
EL and Former EL 63.2 50.0 274Exceeded Target
Students w/ disabilities 50.1 50.0 513Met Target
Amer. Ind. or Alaska Nat.-----
Asian 54.4 50.0 2043Met Target
Afr. Amer./Black-- 21--
Hispanic/Latino-- 13--
Multi-race, Non-Hisp./Lat. 59.0 50.0 273Met Target
Nat. Haw. or Pacif. Isl.-----
White 51.4 50.0 2243Met Target

Mathematics growth - High school
Group 2018 Mean SGP 2018 Target N Points Reason
All Students 59.9 50.0 4913Met Target
Lowest Performing 54.7 50.0 1173Met Target
High needs 56.7 50.0 1043Met Target
Econ. Disadvantaged 51.5 50.0 363Met Target
EL and Former EL 65.0 50.0 284Exceeded Target
Students w/ disabilities 57.4 50.0 523Met Target
Amer. Ind. or Alaska Nat.-----
Asian 61.6 50.0 2054Exceeded Target
Afr. Amer./Black-- 21--
Hispanic/Latino-- 13--
Multi-race, Non-Hisp./Lat. 64.0 50.0 274Exceeded Target
Nat. Haw. or Pacif. Isl.-----
White 58.6 50.0 2253Met Target

Four-year cohort graduation rate - High school
Group 2016 Rate (%) 2017 Rate (%) Change Target (%) N Points Reason
All Students 98.1 99.0 0.9 99.3 5204Exceeded Target
Lowest Performing-------
High needs 94.7 95.5 0.8 97.9 1113Met Target
Econ. Disadvantaged 94.2 94.4 0.2 98.2 722Improved Below Target
EL and Former EL---- 14--
Students w/ disabilities 95.7 94.2 -1.5 100.0 520Declined
Amer. Ind. or Alaska Nat.-------
Asian 97.5 100.0 2.5 99.8 1814Exceeded Target
Afr. Amer./Black---- 23--
Hispanic/Latino---- 17--
Multi-race, Non-Hisp./Lat.---- 19--
Nat. Haw. or Pacif. Isl.-------
White 98.3 98.2 -0.1 99.7 2803Met Target

Extended engagement rate - High school
Group 2015 Rate (%) 2016 Rate (%) Change Target (%) N Points Reason
All Students 99.0 98.9 -0.1 100.0 5303Met Target
Lowest Performing-------
High needs 98.1 97.7 -0.4 100.0 1333Met Target
Econ. Disadvantaged 98.3 97.1 -1.2 100.0 693Met Target
EL and Former EL---- 14--
Students w/ disabilities 98.0 98.6 0.6 100.0 693Met Target
Amer. Ind. or Alaska Nat.-------
Asian 98.6 98.8 0.2 100.0 1633Met Target
Afr. Amer./Black---- 26--
Hispanic/Latino---- 18--
Multi-race, Non-Hisp./Lat.---- 23--
Nat. Haw. or Pacif. Isl.-------
White 98.9 98.7 -0.2 100.0 3003Met Target

Annual dropout rate - High school
Group 2016 Rate (%) 2017 Rate (%) Change Target (%) N Points Reason
All Students 0.2 0.1 0.1 1.0 2,1854Exceeded Target
Lowest Performing-------
High needs 0.5 0.8 -0.3 1.0 3943Met Target
Econ. Disadvantaged 0.9 0.8 0.1 1.0 1223Met Target
EL and Former EL 0.0 0.0 0.0 1.0 634Exceeded Target
Students w/ disabilities 0.0 0.9 -0.9 1.0 2173Met Target
Amer. Ind. or Alaska Nat.-------
Asian 0.1 0.0 0.1 1.0 7924Exceeded Target
Afr. Amer./Black---- 77--
Hispanic/Latino---- 79--
Multi-race, Non-Hisp./Lat. 0.0 0.0 0.0 1.0 924Exceeded Target
Nat. Haw. or Pacif. Isl.-------
White 0.2 0.3 -0.1 1.0 1,1453Met Target

Progress toward attaining English language proficiency - High school
Group 2017 Rate (%) 2018 Rate (%) Change Target N Points Reason
All Students 97.0 84.4 -12.6 54.5 323Met Target
Lowest Performing-------
High needs-------
Econ. Disadvantaged-------
EL and Former EL 97.0 84.4 -12.6 54.5 323Met 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 2017 Rate (%) 2018 Rate (%) Change Target N Points Reason
All Students 3.6 3.5 0.1 2.6 2,2274Exceeded Target
Lowest Performing 4.2 2.2 2.0 0.0 1364Exceeded Target
High needs 8.1 8.0 0.1 5.4 4483Met Target
Econ. Disadvantaged 9.2 8.8 0.4 5.4 1132Improved Below Target
EL and Former EL 3.9 9.8 -5.9 2.9 1430Declined
Students w/ disabilities 11.8 7.6 4.2 7.9 2383Met Target
Amer. Ind. or Alaska Nat.---- 3--
Asian 1.4 2.1 -0.7 0.0 8084Exceeded Target
Afr. Amer./Black---- 77--
Hispanic/Latino---- 85--
Multi-race, Non-Hisp./Lat. 4.3 4.5 -0.2 3.3 1124Exceeded Target
Nat. Haw. or Pacif. Isl.-------
White 4.8 4.0 0.8 3.5 1,1424Exceeded Target

Advanced coursework completion - High school
Group 2017 Rate (%) 2018 Rate (%) Change Target N Points Reason
All Students 84.4 86.3 1.9 87.6 1,1063Met Target
Lowest Performing-------
High needs 54.3 54.6 0.3 62.3 2052Improved Below Target
Econ. Disadvantaged 60.0 48.6 -11.4 68.5 700Declined
EL and Former EL 77.8 82.3 4.5 81.0 624Exceeded Target
Students w/ disabilities 39.6 43.6 4.0 47.1 1172Improved Below Target
Amer. Ind. or Alaska Nat.-------
Asian 92.4 95.4 3.0 98.1 3734Exceeded Target
Afr. Amer./Black---- 37--
Hispanic/Latino---- 43--
Multi-race, Non-Hisp./Lat. 79.1 95.6 16.5 82.3 454Exceeded Target
Nat. Haw. or Pacif. Isl.-------
White 82.8 82.2 -0.6 85.8 6083Met Target

Assessment participation
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 576 575100Yes 1 576 575100Yes 1 576 57399Yes 1
Lowest Performing---------------
High needs 135 13499Yes 1 135 135100Yes 1 135 13499Yes 1
Econ. Disadvantaged 44 44100Yes 1 44 44100Yes 1 44 44100Yes 1
EL and Former EL 46 46100Yes 1 46 46100Yes 1 46 46100Yes 1
Students w/ disabilities 59 5898Yes 1 60 60100Yes 1 60 5998Yes 1
Amer. Ind. or Alaska Nat. 1---- 1---- 1----
Asian 238 238100Yes 1 237 236100Yes 1 237 23599Yes 1
Afr. Amer./Black 22 22100Yes 1 22 22100Yes 1 22 22100Yes 1
Hispanic/Latino 19---- 19---- 19----
Multi-race, Non-Hisp./Lat. 33 33100Yes 1 33 33100Yes 1 33 33100Yes 1
Nat. Haw. or Pacif. Isl.---------------
White 263 262100Yes 1 264 264100Yes 1 264 263100Yes 1


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 without required assistance or intervention. The reason(s) for the district or school's classification are noted on this report.

Progress toward improvement targets: The criterion-referenced target percentage combines information about 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)

Weighted total of possible points = (Total achievement possible points x Achievement weight) + (Total growth possible points x Growth weight) + (Total high school completion possible points x high school completion weight) + (EL progress possible points x EL progress weight) + (Total additional indicator possible points 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 data for all accountability indicators. School percentiles are not calculated for districts.

Determination of need for special education technical assistance or intervention: The U.S. Department of Education requires Massachusetts to determine which districts (including single school districts) have specific needs for technical assistance or intervention in the area of special education. A district's determination is based on four categories: Meets Requirements (MR); Needs Assistance (NA); Needs Intervention (NI); and Needs Substantial Intervention (NSI). In most cases these categories correspond to the district's results, except when the district has specific compliance needs. This designation helps signal whether outcomes for all students in the district indicate progress, including that of students with disabilities, or whether technical assistance and/or intervention is needed to improve outcomes for all children, especially students with disabilities.


Resources
Interpretive Materials Interpretive Materials
Glossary of 2018 Accountability Terms Glossary of 2018 Accountability Terms

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