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Boston Latin Academy

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2018 Official Accountability Report - Boston Latin Academy

Organization Information
DISTRICT NAME
Boston (00350000)
TITLE I STATUS
Title I School
SCHOOL
Boston Latin Academy (00350545)
GRADES SERVED
07,08,09,10,11,12
REGION
Coastal
FEDERAL DESIGNATION
-

Accountability Information

Overall classificationNot requiring assistance or intervention
Reason for classification
Partially meeting targets
Progress toward improvement targetsAccountability percentile
65% - Partially meeting targets80

Overall results

Progress toward improvement targets
Indicator All students
(Non-high school grades)
Lowest performing students
(Non-high school grades)
All students
(High school grades)
Lowest performing students
(High school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight % Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement44-04-44-44-
Mathematics achievement24-04-44-44-
Science achievement04----44-34-
Achievement total61267.50867.5121247.5111267.5
GrowthEnglish language arts growth24-14-14-04-
Mathematics growth14-14-24-14-
Growth total3822.52822.53822.51822.5
High school completionFour-year cohort graduation rate------34----
Extended engagement rate------34----
Annual dropout rate------44----
High school completion total------101220.0---
Progress toward attaining English language proficiencyEnglish language proficiency total------------
Additional indicatorsChronic absenteeism34-04-34-24-
Advanced coursework completion------44----
Additional indicators total3410.00410.07810.02410.0
Weighted total5.010.3-0.57.6-9.110.7-7.910.3-
Percentage of possible points 49%-7%-85%-77%-
Percentage of possible points by gradespan28%
Weight of non-high school results:30%
81%
Weight of high school results:70%
Criterion-referenced target percentage65%
Partially meeting targets

Subgroup results

Progress toward improvement targets
Indicator High needs Subgroup
(Non-high school grades)
High needs Subgroup
(High school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement34-44-
Mathematics achievement34-44-
Science achievement04-44-
Achievement total61267.5121247.5
GrowthEnglish language arts growth24-14-
Mathematics growth14-24-
Growth total3822.53822.5
High school completionFour-year cohort graduation rate---04-
Extended engagement rate---44-
Annual dropout rate---44-
High school completion total---81220.0
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism24-34-
Advanced coursework completion---34-
Additional indicators total2410.06810.0
Weighted total4.910.3-8.610.7-
Percentage of possible points 48%-80%-
Percentage of possible points by gradespan48%
Weight of non-high school results:30%
80%
Weight of high school results:70%
Criterion-referenced target percentage70%
Partially meeting targets
Subgroup percentile
This group's overall performance relative to the performance of the same subgroup in schools administering similar assessments 83

Detailed data for each indicator

English language arts achievement - Next-Generation MCAS average composite scaled score - Non-high school
Group 2017 Achievement 2018 Achievement Change 2018 Target N Points Reason
All Students 504.3 506.9 2.6 505.8 5414Exceeded Target
Lowest Performing 491.6 490.3 -1.3 496.3 660Declined
High needs 504.0 506.1 2.1 505.6 2673Met Target
Econ. Disadvantaged 504.5 506.2 1.7 505.9 1943Met Target
EL and Former EL 504.2 505.6 1.4 506.2 1263Met Target
Students w/ disabilities---- 16--
Amer. Ind. or Alaska Nat.-------
Asian 507.2 506.4 -0.8 509.3 1020Declined
Afr. Amer./Black 506.7 509.0 2.3 508.3 1134Exceeded Target
Hispanic/Latino 503.1 505.6 2.5 504.2 1284Exceeded Target
Multi-race, Non-Hisp./Lat.---- 25--
Nat. Haw. or Pacif. Isl.---- 1--
White 501.2 506.4 5.2 502.8 1724Exceeded Target

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 99.9 99.9 0.0 100.0 2764Exceeded Target
Lowest Performing 99.6 99.7 0.1 100.0 724Exceeded Target
High needs 100.0 100.0 0.0 100.0 1304Exceeded Target
Econ. Disadvantaged 100.0 100.0 0.0 100.0 1024Exceeded Target
EL and Former EL 100.0 100.0 0.0 100.0 224Exceeded Target
Students w/ disabilities---- 18--
Amer. Ind. or Alaska Nat.-------
Asian 100.0 100.0 0.0 100.0 664Exceeded Target
Afr. Amer./Black 100.0 100.0 0.0 100.0 484Exceeded Target
Hispanic/Latino 100.0 100.0 0.0 100.0 594Exceeded Target
Multi-race, Non-Hisp./Lat.---- 12--
Nat. Haw. or Pacif. Isl.-------
White 99.6 99.7 0.1 100.0 914Exceeded Target

Mathematics achievement - Next-Generation MCAS average composite scaled score - Non-high school
Group 2017 Achievement 2018 Achievement Change 2018 Target N Points Reason
All Students 506.1 506.4 0.3 507.5 5432Improved Below Target
Lowest Performing 497.2 492.8 -4.4 500.8 660Declined
High needs 506.6 506.3 -0.3 508.3 2683Met Target
Econ. Disadvantaged 506.7 505.7 -1.0 507.8 1943Met Target
EL and Former EL 508.0 509.4 1.4 510.2 1273Met Target
Students w/ disabilities---- 16--
Amer. Ind. or Alaska Nat.-------
Asian 513.0 511.9 -1.1 515.5 1024Exceeded Target
Afr. Amer./Black 503.0 504.0 1.0 504.5 1133Met Target
Hispanic/Latino 503.8 504.0 0.2 505.4 1293Met Target
Multi-race, Non-Hisp./Lat.---- 25--
Nat. Haw. or Pacif. Isl.---- 1--
White 504.8 505.9 1.1 506.3 1733Met Target

Mathematics achievement - legacy MCAS Composite Performance Index (CPI) - High school
Group 2017 Achievement 2018 Achievement Change 2018 Target N Points Reason
All Students 99.2 99.8 0.6 100.0 2764Exceeded Target
Lowest Performing 96.9 99.3 2.4 99.7 724Exceeded Target
High needs 98.8 99.8 1.0 100.0 1304Exceeded Target
Econ. Disadvantaged 99.3 100.0 0.7 100.0 1024Exceeded Target
EL and Former EL 100.0 100.0 0.0 100.0 224Exceeded Target
Students w/ disabilities---- 18--
Amer. Ind. or Alaska Nat.-------
Asian 100.0 100.0 0.0 100.0 664Exceeded Target
Afr. Amer./Black 99.6 100.0 0.4 100.0 484Exceeded Target
Hispanic/Latino 100.0 99.6 -0.4 100.0 594Exceeded Target
Multi-race, Non-Hisp./Lat.---- 12--
Nat. Haw. or Pacif. Isl.-------
White 97.1 99.7 2.6 98.7 914Exceeded Target

Science achievement - legacy MCAS Composite Performance Index (CPI) - Non-high school
Group 2017 Achievement 2018 Achievement Change 2018 Target N Points Reason
All Students 77.3 68.8 -8.5 79.7 2500Declined
Lowest Performing-------
High needs 77.1 65.0 -12.1 79.9 1280Declined
Econ. Disadvantaged 76.3 63.4 -12.9 79.2 950Declined
EL and Former EL 77.0 64.1 -12.9 79.6 460Declined
Students w/ disabilities---- 11--
Amer. Ind. or Alaska Nat.-------
Asian 79.3 70.6 -8.7 82.1 450Declined
Afr. Amer./Black 75.0 69.1 -5.9 77.8 510Declined
Hispanic/Latino 76.7 62.9 -13.8 80.6 620Declined
Multi-race, Non-Hisp./Lat.---- 13--
Nat. Haw. or Pacif. Isl.-------
White 76.5 69.9 -6.6 78.9 790Declined

Science achievement - legacy MCAS Composite Performance Index (CPI) - High school
Group 2017 Achievement 2018 Achievement Change 2018 Target N Points Reason
All Students 96.4 97.5 1.1 98.1 2744Exceeded Target
Lowest Performing 87.8 91.0 3.2 92.1 723Met Target
High needs 95.8 97.5 1.7 98.6 1284Exceeded Target
Econ. Disadvantaged 96.4 97.5 1.1 99.3 1014Exceeded Target
EL and Former EL 100.0 97.6 -2.4 100.0 214Exceeded Target
Students w/ disabilities---- 18--
Amer. Ind. or Alaska Nat.-------
Asian 97.8 99.6 1.8 99.9 654Exceeded Target
Afr. Amer./Black 95.7 97.4 1.7 97.7 483Met Target
Hispanic/Latino 96.4 95.7 -0.7 99.3 581No Change
Multi-race, Non-Hisp./Lat.---- 12--
Nat. Haw. or Pacif. Isl.-------
White 95.7 97.5 1.8 97.5 914Exceeded Target

English language arts growth - Non-high school
Group 2018 Mean SGP 2018 Target N Points Reason
All Students 42.7 50.0 4962Below Target
Lowest Performing 38.5 50.0 641Below Target
High needs 43.9 50.0 2542Below Target
Econ. Disadvantaged 42.3 50.0 1852Below Target
EL and Former EL 45.0 50.0 1212Below Target
Students w/ disabilities-- 14--
Amer. Ind. or Alaska Nat.-----
Asian 44.0 50.0 972Below Target
Afr. Amer./Black 38.1 50.0 1071Below Target
Hispanic/Latino 42.3 50.0 1192Below Target
Multi-race, Non-Hisp./Lat.-- 24--
Nat. Haw. or Pacif. Isl.-- 1--
White 46.0 50.0 1482Below Target

English language arts growth - High school
Group 2018 Mean SGP 2018 Target N Points Reason
All Students 38.0 50.0 2561Below Target
Lowest Performing 23.6 50.0 640Below Target
High needs 37.0 50.0 1211Below Target
Econ. Disadvantaged 34.8 50.0 971Below Target
EL and Former EL-- 19--
Students w/ disabilities-- 17--
Amer. Ind. or Alaska Nat.-----
Asian 31.7 50.0 661Below Target
Afr. Amer./Black 42.6 50.0 402Below Target
Hispanic/Latino 37.9 50.0 561Below Target
Multi-race, Non-Hisp./Lat.-- 10--
Nat. Haw. or Pacif. Isl.-----
White 40.1 50.0 842Below Target

Mathematics growth - Non-high school
Group 2018 Mean SGP 2018 Target N Points Reason
All Students 36.6 50.0 4981Below Target
Lowest Performing 31.1 50.0 641Below Target
High needs 36.3 50.0 2561Below Target
Econ. Disadvantaged 35.1 50.0 1861Below Target
EL and Former EL 38.8 50.0 1231Below Target
Students w/ disabilities-- 14--
Amer. Ind. or Alaska Nat.-----
Asian 38.2 50.0 971Below Target
Afr. Amer./Black 30.1 50.0 1071Below Target
Hispanic/Latino 38.9 50.0 1201Below Target
Multi-race, Non-Hisp./Lat.-- 24--
Nat. Haw. or Pacif. Isl.-- 1--
White 37.1 50.0 1491Below Target

Mathematics growth - High school
Group 2018 Mean SGP 2018 Target N Points Reason
All Students 47.6 50.0 2532Below Target
Lowest Performing 35.8 50.0 631Below Target
High needs 49.5 50.0 1202Below Target
Econ. Disadvantaged 49.8 50.0 972Below Target
EL and Former EL-- 19--
Students w/ disabilities-- 16--
Amer. Ind. or Alaska Nat.-----
Asian 51.5 50.0 653Met Target
Afr. Amer./Black 51.9 50.0 403Met Target
Hispanic/Latino 39.7 50.0 561Below Target
Multi-race, Non-Hisp./Lat.-- 10--
Nat. Haw. or Pacif. Isl.-----
White 47.2 50.0 822Below Target

Four-year cohort graduation rate - High school
Group 2016 Rate (%) 2017 Rate (%) Change Target (%) N Points Reason
All Students 96.9 95.3 -1.6 99.2 2763Met Target
Lowest Performing-------
High needs 97.0 94.6 -2.4 100.0 1850Declined
Econ. Disadvantaged 96.9 94.9 -2.0 100.0 1770Declined
EL and Former EL---- 2--
Students w/ disabilities---- 10--
Amer. Ind. or Alaska Nat.---- 1--
Asian 98.0 100.0 2.0 100.0 544Exceeded Target
Afr. Amer./Black 96.2 93.2 -3.0 98.5 740Declined
Hispanic/Latino 98.1 94.2 -3.9 100.0 690Declined
Multi-race, Non-Hisp./Lat.---- 7--
Nat. Haw. or Pacif. Isl.-------
White 95.8 94.4 -1.4 97.9 710Declined

Extended engagement rate - High school
Group 2015 Rate (%) 2016 Rate (%) Change Target (%) N Points Reason
All Students 98.1 98.8 0.7 99.8 2563Met Target
Lowest Performing-------
High needs 98.4 99.4 1.0 100.0 1654Exceeded Target
Econ. Disadvantaged 98.3 99.3 1.0 100.0 1624Exceeded Target
EL and Former EL-------
Students w/ disabilities---- 6--
Amer. Ind. or Alaska Nat.---- 2--
Asian 100.0 100.0 0.0 100.0 494Exceeded Target
Afr. Amer./Black 98.7 97.5 -1.2 100.0 793Met Target
Hispanic/Latino 97.8 98.1 0.3 99.5 523Met Target
Multi-race, Non-Hisp./Lat.---- 2--
Nat. Haw. or Pacif. Isl.-------
White 95.9 100.0 4.1 97.7 724Exceeded Target

Annual dropout rate - High school
Group 2016 Rate (%) 2017 Rate (%) Change Target (%) N Points Reason
All Students 0.4 0.1 0.3 1.0 1,1674Exceeded Target
Lowest Performing-------
High needs 0.3 0.0 0.3 1.0 4084Exceeded Target
Econ. Disadvantaged 0.3 0.0 0.3 1.0 3664Exceeded Target
EL and Former EL---- 3--
Students w/ disabilities---- 36--
Amer. Ind. or Alaska Nat.---- 5--
Asian 0.0 0.0 0.0 1.0 2604Exceeded Target
Afr. Amer./Black 0.9 0.0 0.9 1.0 2804Exceeded Target
Hispanic/Latino 0.0 0.0 0.0 1.0 2604Exceeded Target
Multi-race, Non-Hisp./Lat.---- 31--
Nat. Haw. or Pacif. Isl.---- 3--
White 0.6 0.3 0.3 1.0 3284Exceeded Target

Progress toward attaining English language proficiency - Non-high school
Group 2017 Rate (%) 2018 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-------

Progress toward attaining English language proficiency - High school
Group 2017 Rate (%) 2018 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 - Non-high school
Group 2017 Rate (%) 2018 Rate (%) Change Target N Points Reason
All Students 7.0 6.3 0.7 5.9 5553Met Target
Lowest Performing 6.1 7.6 -1.5 2.5 660Declined
High needs 8.4 6.6 1.8 6.0 2432Improved Below Target
Econ. Disadvantaged 8.9 7.4 1.5 5.4 1632Improved Below Target
EL and Former EL 6.1 1.5 4.6 1.7 1304Exceeded Target
Students w/ disabilities---- 18--
Amer. Ind. or Alaska Nat.-------
Asian 2.7 1.9 0.8 0.0 1034Exceeded Target
Afr. Amer./Black 8.4 5.1 3.3 4.6 1173Met Target
Hispanic/Latino 8.1 3.9 4.2 4.5 1294Exceeded Target
Multi-race, Non-Hisp./Lat.---- 25--
Nat. Haw. or Pacif. Isl.---- 1--
White 7.7 11.1 -3.4 6.4 1800Declined

Chronic absenteeism - High school
Group 2017 Rate (%) 2018 Rate (%) Change Target N Points Reason
All Students 15.4 14.7 0.7 14.3 1,2163Met Target
Lowest Performing 22.2 18.1 4.1 15.6 722Improved Below Target
High needs 20.7 18.4 2.3 18.3 5103Met Target
Econ. Disadvantaged 20.6 17.3 3.3 16.0 3942Improved Below Target
EL and Former EL 6.3 4.9 1.4 5.2 1024Exceeded Target
Students w/ disabilities---- 57--
Amer. Ind. or Alaska Nat.---- 5--
Asian 8.0 8.1 -0.1 5.2 2853Met Target
Afr. Amer./Black 16.4 19.2 -2.8 12.6 2660Declined
Hispanic/Latino 19.6 17.3 2.3 15.5 2892Improved Below Target
Multi-race, Non-Hisp./Lat.---- 30--
Nat. Haw. or Pacif. Isl.---- 2--
White 15.9 14.2 1.7 14.7 3393Met Target

Advanced coursework completion - High school
Group 2017 Rate (%) 2018 Rate (%) Change Target N Points Reason
All Students 96.5 93.8 -2.7 100.0 5674Exceeded Target
Lowest Performing-------
High needs 94.3 88.1 -6.2 100.0 2013Met Target
Econ. Disadvantaged 98.1 86.4 -11.7 100.0 1843Met Target
EL and Former EL 100.0 100.0 0.0 100.0 204Exceeded Target
Students w/ disabilities---- 18--
Amer. Ind. or Alaska Nat.---- 4--
Asian 99.2 96.2 -3.0 100.0 1334Exceeded Target
Afr. Amer./Black 96.3 91.8 -4.5 100.0 1464Exceeded Target
Hispanic/Latino 100.0 93.0 -7.0 100.0 1284Exceeded Target
Multi-race, Non-Hisp./Lat.---- 10--
Nat. Haw. or Pacif. Isl.---- 1--
White 94.1 94.5 0.4 99.4 1454Exceeded 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 827 81999Yes 1 827 823100Yes 1 531 530100Yes 1
Lowest Performing---------------
High needs 402 39899Yes 1 402 401100Yes 1 261 261100Yes 1
Econ. Disadvantaged 298 298100Yes 1 298 298100Yes 1 199 199100Yes 1
EL and Former EL 149 14698Yes 1 149 149100Yes 1 68 68100Yes 1
Students w/ disabilities 37 3697Yes 1 37 3697Yes 1 31 31100Yes 1
Amer. Ind. or Alaska Nat.---------------
Asian 169 16799Yes 1 169 16899Yes 1 112 112100Yes 1
Afr. Amer./Black 162 162100Yes 1 162 162100Yes 1 100 100100Yes 1
Hispanic/Latino 189 18799Yes 1 189 189100Yes 1 122 122100Yes 1
Multi-race, Non-Hisp./Lat. 37 37100Yes 1 37 37100Yes 1 25 25100Yes 1
Nat. Haw. or Pacif. Isl. 1---- 1---- 0----
White 269 26599Yes 1 269 26699Yes 1 172 17199Yes 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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