Massachusetts School and District Profiles

Boston Latin School

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2026 Official Accountability Report - Boston Latin School

Accountability Information

Progress toward improvement targetsAccountability percentile
71% - Substantial progress toward targets95

Overall progress toward improvement targets

20252026
Annual criterion-referenced target percentage74%69%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2025 x 40%) + (2026 x 60%)
71%
Substantial progress toward targets

2026 Points awarded

2026 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 achievement44-34-44-04-
Mathematics achievement44-44-44-34-
Science achievement44----34-04-
Achievement total121267.57867.5111247.531267.5
GrowthEnglish language arts growth24-24-34-34-
Mathematics growth44-44-34-34-
Growth total6822.56822.56822.56822.5
High school completionFour-year cohort graduation rate------44----
Extended engagement rate------44----
Annual dropout rate------34----
High school completion total------111220.0---
Progress toward attaining English language proficiencyEnglish language proficiency total------------
Additional indicatorsChronic absenteeism44-04-04-04-
Advanced coursework completion------44----
Additional indicators total4410.00410.04810.00410.0
Weighted total9.910.3-6.17.6-9.210.7-3.410.3-
Percentage of possible points96%-80%-86%-33%-
Percentage of possible points by gradespan88%
Weight of non-high school results:33%
60%
Weight of high school results:67%
2026 Annual criterion-referenced target percentage69%

2025 Points awarded

2025 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 achievement44-04-44-34-
Mathematics achievement44-34-44-34-
Science achievement24----44-34-
Achievement total101267.53867.5121247.591267.5
GrowthEnglish language arts growth24-04-34-34-
Mathematics growth24-24-44-44-
Growth total4822.52822.57822.57822.5
High school completionFour-year cohort graduation rate------44----
Extended engagement rate------44----
Annual dropout rate------34----
High school completion total------111220.0---
Progress toward attaining English language proficiencyEnglish language proficiency total------------
Additional indicatorsChronic absenteeism04-04-04-04-
Advanced coursework completion------44----
Additional indicators total0410.00410.04810.00410.0
Weighted total7.710.3-2.57.6-9.910.7-7.710.3-
Percentage of possible points75%-33%-93%-75%-
Percentage of possible points by gradespan54%
Weight of non-high school results:34%
84%
Weight of high school results:66%
2025 Annual criterion-referenced target percentage74%

Student group percentile


Overall progress toward improvement targets

20252026
Annual criterion-referenced target percentage85%84%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2025 x 40%) + (2026 x 60%)
85%
Meeting or exceeding targets

2026 Points awarded

2026 Progress toward improvement targets
Indicator High Needs Student Group
(Non-high school grades)
High Needs Student Group
(High school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement44-34-
Mathematics achievement44-34-
Science achievement44-34-
Achievement total121267.591247.5
GrowthEnglish language arts growth24-34-
Mathematics growth44-34-
Growth total6822.56822.5
High school completionFour-year cohort graduation rate---44-
Extended engagement rate---44-
Annual dropout rate---44-
High school completion total---121220.0
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism44-04-
Advanced coursework completion---44-
Additional indicators total4410.04810.0
Weighted total9.910.3-8.410.7-
Percentage of possible points96%-79%-
Percentage of possible points by gradespan96%
Weight of non-high school results:33%
79%
Weight of high school results:67%
2026 Annual criterion-referenced target percentage84%

2025 Points awarded

2025 Progress toward improvement targets
Indicator High Needs Student Group
(Non-high school grades)
High Needs Student Group
(High school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement44-44-
Mathematics achievement34-44-
Science achievement24-44-
Achievement total91267.5121247.5
GrowthEnglish language arts growth24-34-
Mathematics growth24-44-
Growth total4822.57822.5
High school completionFour-year cohort graduation rate---44-
Extended engagement rate---44-
Annual dropout rate---44-
High school completion total---121220.0
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism04-14-
Advanced coursework completion---34-
Additional indicators total0410.04810.0
Weighted total7.010.3-10.110.7-
Percentage of possible points68%-94%-
Percentage of possible points by gradespan68%
Weight of non-high school results:34%
94%
Weight of high school results:66%
2025 Annual criterion-referenced target percentage85%

Detailed data for each indicator

English language arts achievement - MCAS average composite scaled score - Non-high school
Group 2025 Achievement 2026 Achievement Change 2026 Target N Points Reason
All Students 514.9 520.8 5.9 517.6 7604Recovery Path: Exceeded Target
Lowest Performing 495.8 496.2 0.4 500.9 943Path Forward: Met Target
High Needs 506.4 514.8 8.4 508.1 3254Recovery Path: Exceeded Target
English Learners and Former English Learners 499.6 510.2 10.6 502.0 1144Path Forward: Exceeded Target
Low Income 507.1 515.4 8.3 509.2 2764Recovery Path: Exceeded Target
Students with Disabilities 508.0 506.0 -2.0 510.4 233Path Forward: Met Target
American Indian or Alaska Native-------
Asian 517.3 522.3 5.0 518.7 2224Recovery Path: Exceeded Target
Black or African American 506.2 511.6 5.4 508.4 1054Recovery Path: Exceeded Target
Hispanic or Latino 505.1 511.8 6.7 507.9 1254Recovery Path: Exceeded Target
Multi-Race, Not Hispanic or Latino 524.4 531.5 7.1 525.8 614Path Forward: Exceeded Target
Native Hawaiian or Other Pacific Islander-------
White 522.5 525.1 2.6 524.0 2474Path Forward: Exceeded Target

English language arts achievement - MCAS average composite scaled score - High school
Group 2025 Achievement 2026 Achievement Change 2026 Target N Points Reason
All Students 521.2 517.4 -3.8 522.2 3974Path Forward: Exceeded Target
Lowest Performing 507.7 494.1 -13.6 511.3 990Path Forward: Declined
High Needs 517.9 511.3 -6.6 519.8 1703Path Forward: Met Target
English Learners and Former English Learners---- 17--
Low Income 518.4 512.3 -6.1 522.0 1583Path Forward: Met Target
Students with Disabilities---- 16--
American Indian or Alaska Native---- 1--
Asian 521.9 520.7 -1.2 525.3 1264Path Forward: Exceeded Target
Black or African American 519.0 508.4 -10.6 523.0 903Path Forward: Met Target
Hispanic or Latino 517.4 512.9 -4.5 518.7 743Recovery Path: Met Target
Multi-Race, Not Hispanic or Latino---- 17--
Native Hawaiian or Other Pacific Islander-------
White 522.5 523.1 0.6 523.8 894Path Forward: Exceeded Target

Mathematics achievement - MCAS average composite scaled score - Non-high school
Group 2025 Achievement 2026 Achievement Change 2026 Target N Points Reason
All Students 515.8 525.7 9.9 518.4 7654Recovery Path: Exceeded Target
Lowest Performing 496.6 509.3 12.7 501.6 944Recovery Path: Exceeded Target
High Needs 508.8 521.2 12.4 511.2 3264Recovery Path: Exceeded Target
English Learners and Former English Learners 504.7 519.5 14.8 507.7 1134Path Forward: Exceeded Target
Low Income 508.8 521.6 12.8 511.6 2784Recovery Path: Exceeded Target
Students with Disabilities 508.0 510.9 2.9 511.2 234Path Forward: Exceeded Target
American Indian or Alaska Native-------
Asian 523.2 530.0 6.8 525.3 2234Recovery Path: Exceeded Target
Black or African American 504.4 515.0 10.6 507.4 1074Recovery Path: Exceeded Target
Hispanic or Latino 503.1 518.7 15.6 505.9 1264Recovery Path: Exceeded Target
Multi-Race, Not Hispanic or Latino 523.2 532.7 9.5 524.7 624Path Forward: Exceeded Target
Native Hawaiian or Other Pacific Islander-------
White 522.2 528.4 6.2 523.9 2474Path Forward: Exceeded Target

Mathematics achievement - MCAS average composite scaled score - High school
Group 2025 Achievement 2026 Achievement Change 2026 Target N Points Reason
All Students 525.6 519.9 -5.7 526.7 3964Path Forward: Exceeded Target
Lowest Performing 505.9 499.3 -6.6 509.2 993Path Forward: Met Target
High Needs 521.9 512.8 -9.1 524.6 1703Path Forward: Met Target
English Learners and Former English Learners---- 17--
Low Income 521.7 513.7 -8.0 526.2 1583Path Forward: Met Target
Students with Disabilities---- 16--
American Indian or Alaska Native---- 1--
Asian 530.7 527.4 -3.3 534.1 1254Path Forward: Exceeded Target
Black or African American 514.5 508.4 -6.1 519.6 893Path Forward: Met Target
Hispanic or Latino 517.9 510.5 -7.4 522.1 753Path Forward: Met Target
Multi-Race, Not Hispanic or Latino---- 17--
Native Hawaiian or Other Pacific Islander-------
White 528.8 526.8 -2.0 529.9 894Path Forward: Exceeded Target

Science achievement - MCAS average composite scaled score - Non-high school
Group 2025 Achievement 2026 Achievement Change 2026 Target N Points Reason
All Students 501.6 508.1 6.5 503.8 3764Path Forward: Exceeded Target
Lowest Performing---- 90--
High Needs 495.6 502.3 6.7 499.1 1644Path Forward: Exceeded Target
English Learners and Former English Learners 488.3 494.9 6.6 492.5 424Path Forward: Exceeded Target
Low Income 495.9 502.8 6.9 500.3 1444Path Forward: Exceeded Target
Students with Disabilities---- 13--
American Indian or Alaska Native-------
Asian 504.3 510.4 6.1 506.5 1094Path Forward: Exceeded Target
Black or African American 492.3 499.1 6.8 496.3 644Path Forward: Exceeded Target
Hispanic or Latino 493.0 499.5 6.5 497.6 644Path Forward: Exceeded Target
Multi-Race, Not Hispanic or Latino 512.1 512.6 0.5 514.3 304Path Forward: Exceeded Target
Native Hawaiian or Other Pacific Islander-------
White 509.3 515.0 5.7 511.5 1094Path Forward: Exceeded Target

Science achievement - MCAS average composite scaled score - High school
Group 2025 Achievement 2026 Achievement Change 2026 Target N Points Reason
All Students 520.0 510.3 -9.7 521.0 3983Path Forward: Met Target
Lowest Performing 502.4 489.2 -13.2 505.0 980Path Forward: Declined
High Needs 516.4 503.8 -12.6 518.7 1693Path Forward: Met Target
English Learners and Former English Learners---- 17--
Low Income 516.3 504.6 -11.7 518.9 1583Recovery Path: Met Target
Students with Disabilities---- 15--
American Indian or Alaska Native---- 1--
Asian 523.0 514.3 -8.7 525.1 1274Path Forward: Exceeded Target
Black or African American 511.4 500.5 -10.9 514.4 903Path Forward: Met Target
Hispanic or Latino 511.7 504.3 -7.4 514.9 733Path Forward: Met Target
Multi-Race, Not Hispanic or Latino---- 17--
Native Hawaiian or Other Pacific Islander-------
White 523.6 516.5 -7.1 524.9 904Path Forward: Exceeded Target

English language arts growth - Non-high school
Group 2026 Mean SGP N Points Reason
All Students 49.2 7302Typical Growth - Low
Lowest Performing 42.4 892Typical Growth - Low
High Needs 49.1 3122Typical Growth - Low
English Learners and Former English Learners 51.5 1093Typical Growth - High
Low Income 49.7 2662Typical Growth - Low
Students with Disabilities- 19--
American Indian or Alaska Native----
Asian 51.7 2153Typical Growth - High
Black or African American 42.0 1012Typical Growth - Low
Hispanic or Latino 45.8 1192Typical Growth - Low
Multi-Race, Not Hispanic or Latino 56.1 563Typical Growth - High
Native Hawaiian or Other Pacific Islander----
White 50.1 2393Typical Growth - High

English language arts growth - High school
Group 2026 Mean SGP N Points Reason
All Students 55.1 3893Typical Growth - High
Lowest Performing 51.1 993Typical Growth - High
High Needs 55.6 1653Typical Growth - High
English Learners and Former English Learners- 17--
Low Income 55.0 1533Typical Growth - High
Students with Disabilities- 15--
American Indian or Alaska Native- 1--
Asian 60.1 1264Exceeded Typical Growth
Black or African American 49.9 862Typical Growth - Low
Hispanic or Latino 53.9 743Typical Growth - High
Multi-Race, Not Hispanic or Latino- 17--
Native Hawaiian or Other Pacific Islander----
White 53.1 853Typical Growth - High

Mathematics growth - Non-high school
Group 2026 Mean SGP N Points Reason
All Students 62.0 7374Exceeded Typical Growth
Lowest Performing 76.1 894Exceeded Typical Growth
High Needs 63.3 3144Exceeded Typical Growth
English Learners and Former English Learners 63.4 1084Exceeded Typical Growth
Low Income 63.1 2694Exceeded Typical Growth
Students with Disabilities- 19--
American Indian or Alaska Native----
Asian 61.8 2164Exceeded Typical Growth
Black or African American 65.1 1034Exceeded Typical Growth
Hispanic or Latino 67.6 1204Exceeded Typical Growth
Multi-Race, Not Hispanic or Latino 63.8 584Exceeded Typical Growth
Native Hawaiian or Other Pacific Islander----
White 57.6 2403Typical Growth - High

Mathematics growth - High school
Group 2026 Mean SGP N Points Reason
All Students 59.0 3883Typical Growth - High
Lowest Performing 58.2 993Typical Growth - High
High Needs 57.7 1653Typical Growth - High
English Learners and Former English Learners- 17--
Low Income 58.0 1533Typical Growth - High
Students with Disabilities- 15--
American Indian or Alaska Native- 1--
Asian 59.4 1253Typical Growth - High
Black or African American 51.8 853Typical Growth - High
Hispanic or Latino 59.6 753Typical Growth - High
Multi-Race, Not Hispanic or Latino- 17--
Native Hawaiian or Other Pacific Islander----
White 64.7 854Exceeded Typical Growth

Four-year cohort graduation rate - High school
Group 2024 Rate (%) 2025 Rate (%) Change Target (%) N Points Reason
All Students 98.7 99.0 0.3 95.0 3974Exceeded Target
Lowest Performing-------
High Needs 97.9 98.4 0.5 95.0 1244Exceeded Target
English Learners and Former English Learners---- 2--
Low Income 99.2 99.1 -0.1 95.0 1124Exceeded Target
Students with Disabilities---- 16--
American Indian or Alaska Native---- 1--
Asian 98.9 99.1 0.2 95.0 1144Exceeded Target
Black or African American 94.1 100.0 5.9 95.0 354Exceeded Target
Hispanic or Latino 100.0 100.0 0.0 95.0 514Exceeded Target
Multi-Race, Not Hispanic or Latino---- 20--
Native Hawaiian or Other Pacific Islander-------
White 98.9 98.3 -0.6 95.0 1764Exceeded Target

Extended engagement rate - High school
Group 2023 Rate (%) 2024 Rate (%) Change Target (%) N Points Reason
All Students 99.3 99.7 0.4 95.0 3854Exceeded Target
Lowest Performing-------
High Needs 99.4 99.3 -0.1 95.0 1464Exceeded Target
English Learners and Former English Learners---- 2--
Low Income 99.3 100.0 0.7 95.0 1314Exceeded Target
Students with Disabilities---- 17--
American Indian or Alaska Native-------
Asian 100.0 100.0 0.0 95.0 894Exceeded Target
Black or African American 97.1 100.0 2.9 95.0 344Exceeded Target
Hispanic or Latino 100.0 100.0 0.0 95.0 594Exceeded Target
Multi-Race, Not Hispanic or Latino---- 18--
Native Hawaiian or Other Pacific Islander-------
White 98.9 99.5 0.6 95.0 1854Exceeded Target

Annual dropout rate - High school
Group 2024 Rate (%) 2025 Rate (%) Change Target (%) N Points Reason
All Students 0.1 0.1 0.0 1.0 1,6113Met Target
Lowest Performing-------
High Needs 0.0 0.0 0.0 1.0 5064Exceeded Target
English Learners and Former English Learners---- 7--
Low Income 0.0 0.0 0.0 1.0 4534Exceeded Target
Students with Disabilities---- 61--
American Indian or Alaska Native---- 2--
Asian 0.0 0.0 0.0 1.0 5074Exceeded Target
Black or African American 0.0 0.0 0.0 1.0 2274Exceeded Target
Hispanic or Latino 0.0 0.0 0.0 1.0 2484Exceeded Target
Multi-Race, Not Hispanic or Latino---- 74--
Native Hawaiian or Other Pacific Islander---- 2--
White 0.3 0.0 -0.3 1.0 5514Exceeded Target

Progress toward attaining English language proficiency - Non-high school
Group 2025 Rate (%) 2026 Rate (%) Change Target N Points Reason
All Students-------
Lowest Performing-------
High Needs-------
English Learners and Former English Learners-------
Low Income-------
Students with Disabilities-------
American Indian or Alaska Native-------
Asian-------
Black or African American-------
Hispanic or Latino-------
Multi-Race, Not Hispanic or Latino-------
Native Hawaiian or Other Pacific Islander-------
White-------

Progress toward attaining English language proficiency - High school
Group 2025 Rate (%) 2026 Rate (%) Change Target N Points Reason
All Students-------
Lowest Performing-------
High Needs-------
English Learners and Former English Learners-------
Low Income-------
Students with Disabilities-------
American Indian or Alaska Native-------
Asian-------
Black or African American-------
Hispanic or Latino-------
Multi-Race, Not Hispanic or Latino-------
Native Hawaiian or Other Pacific Islander-------
White-------

Chronic absenteeism - Non-high school
Group 2025 Rate (%) 2026 Rate (%) Change Target N Points Reason
All Students 10.6 7.5 -3.1 9.5 8044Exceeded Target
Lowest Performing 12.1 14.9 2.8 8.8 940Declined
High Needs 13.5 10.2 -3.3 11.4 3444Exceeded Target
English Learners and Former English Learners 7.5 2.6 -4.9 4.5 1174Exceeded Target
Low Income 14.1 11.0 -3.1 9.8 2902Improved Below Target
Students with Disabilities 14.3 19.2 4.9 11.8 260Declined
American Indian or Alaska Native-------
Asian 3.0 4.6 1.6 1.0 2374Exceeded Target
Black or African American 16.7 14.0 -2.7 13.7 1143Met Target
Hispanic or Latino 18.4 11.3 -7.1 14.2 1334Exceeded Target
Multi-Race, Not Hispanic or Latino 7.8 7.8 0.0 6.7 643Met Target
Native Hawaiian or Other Pacific Islander-------
White 9.7 5.1 -4.6 8.5 2564Exceeded Target

Chronic absenteeism - High school
Group 2025 Rate (%) 2026 Rate (%) Change Target N Points Reason
All Students 17.8 20.9 3.1 16.7 1,6000Declined
Lowest Performing 21.2 25.3 4.1 17.2 990Declined
High Needs 22.7 27.9 5.2 19.6 6060Declined
English Learners and Former English Learners---- 66--
Low Income 23.4 28.4 5.0 19.2 5570Declined
Students with Disabilities---- 58--
American Indian or Alaska Native---- 1--
Asian 13.4 17.1 3.7 11.5 5140Declined
Black or African American 15.4 26.2 10.8 12.1 2600Declined
Hispanic or Latino 27.8 31.2 3.4 23.8 2630Declined
Multi-Race, Not Hispanic or Latino---- 72--
Native Hawaiian or Other Pacific Islander---- 2--
White 17.6 18.2 0.6 16.2 4880Declined

Advanced coursework completion - High school
Group 2025 Rate (%) 2026 Rate (%) Change Target N Points Reason
All Students 98.7 98.4 -0.3 95.0 7664Exceeded Target
Lowest Performing-------
High Needs 94.8 96.3 1.5 95.0 2444Exceeded Target
English Learners and Former English Learners---- 14--
Low Income 96.3 96.3 0.0 95.0 2194Exceeded Target
Students with Disabilities---- 28--
American Indian or Alaska Native-------
Asian 97.5 99.2 1.7 95.0 2534Exceeded Target
Black or African American 100.0 93.5 -6.5 95.0 933Met Target
Hispanic or Latino 97.9 97.1 -0.8 95.0 1044Exceeded Target
Multi-Race, Not Hispanic or Latino---- 34--
Native Hawaiian or Other Pacific Islander---- 2--
White 99.4 100.0 0.6 95.0 2804Exceeded 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 1,197 1,18399Yes 1 1,195 1,18699Yes 1 786 77498Yes 1

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 509 502 509 503 339 333 1,357 1,33899Yes1
English Learners and Former English Learners 133 132 133 131 61 59 327 32298Yes1
Low Income 445 439 445 441 306 302 1,196 1,18299Yes1
Students with Disabilities 42 41 42 41 31 28 115 11096Yes1
American Indian or Alaska Native 1 1 1 1 1 1 3----
Asian 361 358 360 358 239 236 960 95299Yes1
Black or African American 202 200 202 201 155 154 559 55599Yes1
Hispanic or Latino 207 204 206 205 142 137 555 54698Yes1
Multi-Race, Not Hispanic or Latino 81 80 81 81 48 47 210 20899Yes1
Native Hawaiian or Other Pacific Islander-----------
White 345 340 345 340 201 199 891 87999Yes1




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