Massachusetts School and District Profiles

Cohasset

View selected organization
print page

2026 Official Accountability Report - Cohasset

Accountability Information

Progress toward improvement targetsAccountability percentile
75% - Meeting or exceeding targets-

Overall progress toward improvement targets

20252026
Annual criterion-referenced target percentage75%75%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2025 x 40%) + (2026 x 60%)
75%
Meeting or exceeding 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 achievement44-34-44-34-
Mathematics achievement34-34-34-04-
Science achievement34----34----
Achievement total101267.56867.5101247.53867.5
GrowthEnglish language arts growth34-34-34-34-
Mathematics growth34-34-24-24-
Growth total6822.56822.55822.55822.5
High school completionFour-year cohort graduation rate------34----
Extended engagement rate------44----
Annual dropout rate------44----
High school completion total------111220.0---
Progress toward attaining English language proficiencyEnglish language proficiency total------------
Additional indicatorsChronic absenteeism44-44-44-44-
Advanced coursework completion------44----
Additional indicators total4410.04410.08810.04410.0
Weighted total8.510.3-5.87.6-8.910.7-3.67.6-
Percentage of possible points83%-76%-83%-47%-
Percentage of possible points by gradespan79%
Weight of non-high school results:70%
65%
Weight of high school results:30%
2026 Annual criterion-referenced target percentage75%

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 achievement44-44-44-34-
Mathematics achievement34-24-44-34-
Science achievement04----34----
Achievement total71267.56867.5111247.56867.5
GrowthEnglish language arts growth44-34-44-44-
Mathematics growth34-34-34-34-
Growth total7822.56822.57822.57822.5
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 absenteeism44-44-44-44-
Advanced coursework completion------44----
Additional indicators total4410.04410.08810.04410.0
Weighted total6.710.3-5.87.6-9.810.7-6.07.6-
Percentage of possible points65%-76%-92%-79%-
Percentage of possible points by gradespan71%
Weight of non-high school results:70%
85%
Weight of high school results:30%
2025 Annual criterion-referenced target percentage75%

Overall progress toward improvement targets

20252026
Annual criterion-referenced target percentage38%63%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2025 x 40%) + (2026 x 60%)
53%
Substantial progress toward 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 achievement04-34-
Mathematics achievement34-44-
Science achievement44----
Achievement total71267.57847.5
GrowthEnglish language arts growth24-44-
Mathematics growth34-24-
Growth total5822.56822.5
High school completionFour-year cohort graduation rate---04-
Extended engagement rate---04-
Annual dropout rate---44-
High school completion total---41220.0
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism44-14-
Advanced coursework completion---44-
Additional indicators total4410.05810.0
Weighted total6.310.3-6.08.8-
Percentage of possible points61%-68%-
Percentage of possible points by gradespan61%
Weight of non-high school results:70%
68%
Weight of high school results:30%
2026 Annual criterion-referenced target percentage63%

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 achievement24-34-
Mathematics achievement14-04-
Science achievement04----
Achievement total31267.53847.5
GrowthEnglish language arts growth34-34-
Mathematics growth34----
Growth total6822.53422.5
High school completionFour-year cohort graduation rate---04-
Extended engagement rate---44-
Annual dropout rate---04-
High school completion total---41220.0
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism44-44-
Advanced coursework completion---04-
Additional indicators total4410.04810.0
Weighted total3.810.3-3.37.9-
Percentage of possible points37%-42%-
Percentage of possible points by gradespan37%
Weight of non-high school results:70%
42%
Weight of high school results:30%
2025 Annual criterion-referenced target percentage38%

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 511.2 508.4 -2.8 513.1 6554Path Forward: Exceeded Target
Lowest Performing 484.8 485.6 0.8 489.2 1253Recovery Path: Met Target
High Needs 490.9 489.1 -1.8 493.7 1520Recovery Path: Declined
English Learners and Former English Learners---- 2--
Low Income 492.5 495.8 3.3 493.5 524Path Forward: Exceeded Target
Students with Disabilities 488.1 484.9 -3.2 490.2 1243Path Forward: Met Target
American Indian or Alaska Native---- 1--
Asian---- 6--
Black or African American---- 17--
Hispanic or Latino 502.4 500.3 -2.1 504.9 203Path Forward: Met Target
Multi-Race, Not Hispanic or Latino---- 20--
Native Hawaiian or Other Pacific Islander-------
White 512.5 509.0 -3.5 514.4 5914Path 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 518.9 516.4 -2.5 521.5 824Path Forward: Exceeded Target
Lowest Performing 501.7 495.6 -6.1 506.8 203Path Forward: Met Target
High Needs 502.8 505.0 2.2 506.1 253Path Forward: Met Target
English Learners and Former English Learners-------
Low Income---- 6--
Students with Disabilities---- 20--
American Indian or Alaska Native-------
Asian---- 2--
Black or African American---- 2--
Hispanic or Latino---- 1--
Multi-Race, Not Hispanic or Latino-------
Native Hawaiian or Other Pacific Islander-------
White 519.3 516.8 -2.5 521.9 774Path 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 508.5 508.1 -0.4 510.4 6503Path Forward: Met Target
Lowest Performing 484.1 487.6 3.5 488.2 1253Recovery Path: Met Target
High Needs 488.0 489.9 1.9 489.9 1503Path Forward: Met Target
English Learners and Former English Learners---- 2--
Low Income 488.7 494.2 5.5 490.6 504Path Forward: Exceeded Target
Students with Disabilities 485.4 486.1 0.7 487.6 1222Path Forward: Improved Below Target
American Indian or Alaska Native---- 1--
Asian---- 6--
Black or African American---- 17--
Hispanic or Latino 495.9 503.4 7.5 498.3 204Path Forward: Exceeded Target
Multi-Race, Not Hispanic or Latino---- 20--
Native Hawaiian or Other Pacific Islander-------
White 510.0 508.8 -1.2 511.8 5863Path Forward: Met Target

Mathematics achievement - MCAS average composite scaled score - High school
Group 2025 Achievement 2026 Achievement Change 2026 Target N Points Reason
All Students 512.3 509.7 -2.6 514.0 823Recovery Path: Met Target
Lowest Performing 495.5 490.5 -5.0 500.6 200Path Forward: Declined
High Needs 493.5 497.7 4.2 496.3 254Recovery Path: Exceeded Target
English Learners and Former English Learners-------
Low Income---- 6--
Students with Disabilities---- 20--
American Indian or Alaska Native-------
Asian---- 2--
Black or African American---- 2--
Hispanic or Latino---- 1--
Multi-Race, Not Hispanic or Latino-------
Native Hawaiian or Other Pacific Islander-------
White 512.8 509.8 -3.0 515.4 773Path Forward: Met Target

Science achievement - MCAS average composite scaled score - Non-high school
Group 2025 Achievement 2026 Achievement Change 2026 Target N Points Reason
All Students 504.4 507.3 2.9 507.1 1953Path Forward: Met Target
Lowest Performing---- 44--
High Needs 486.2 492.3 6.1 489.2 404Path Forward: Exceeded Target
English Learners and Former English Learners---- 1--
Low Income---- 18--
Students with Disabilities 484.6 491.1 6.5 488.0 314Path Forward: Exceeded Target
American Indian or Alaska Native---- 1--
Asian---- 1--
Black or African American---- 5--
Hispanic or Latino---- 6--
Multi-Race, Not Hispanic or Latino---- 3--
Native Hawaiian or Other Pacific Islander-------
White 506.1 508.6 2.5 508.7 1794Path 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 513.0 506.9 -6.1 516.4 793Recovery Path: Met Target
Lowest Performing---- 20--
High Needs---- 24--
English Learners and Former English Learners-------
Low Income---- 6--
Students with Disabilities---- 19--
American Indian or Alaska Native-------
Asian---- 2--
Black or African American---- 2--
Hispanic or Latino---- 1--
Multi-Race, Not Hispanic or Latino-------
Native Hawaiian or Other Pacific Islander-------
White 514.3 507.0 -7.3 517.4 743Recovery Path: Met Target

English language arts growth - Non-high school
Group 2026 Mean SGP N Points Reason
All Students 52.2 5193Typical Growth - High
Lowest Performing 51.4 1253Typical Growth - High
High Needs 48.0 1152Typical Growth - Low
English Learners and Former English Learners- 2--
Low Income 51.6 423Typical Growth - High
Students with Disabilities 46.4 932Typical Growth - Low
American Indian or Alaska Native- 1--
Asian- 3--
Black or African American- 14--
Hispanic or Latino- 15--
Multi-Race, Not Hispanic or Latino- 13--
Native Hawaiian or Other Pacific Islander----
White 51.8 4733Typical Growth - High

English language arts growth - High school
Group 2026 Mean SGP N Points Reason
All Students 56.1 783Typical Growth - High
Lowest Performing 55.5 203Typical Growth - High
High Needs 63.3 234Exceeded Typical Growth
English Learners and Former English Learners----
Low Income- 6--
Students with Disabilities- 18--
American Indian or Alaska Native----
Asian- 2--
Black or African American- 2--
Hispanic or Latino- 1--
Multi-Race, Not Hispanic or Latino----
Native Hawaiian or Other Pacific Islander----
White 56.5 733Typical Growth - High

Mathematics growth - Non-high school
Group 2026 Mean SGP N Points Reason
All Students 50.5 5163Typical Growth - High
Lowest Performing 55.1 1253Typical Growth - High
High Needs 50.7 1143Typical Growth - High
English Learners and Former English Learners- 2--
Low Income 51.0 403Typical Growth - High
Students with Disabilities 50.1 923Typical Growth - High
American Indian or Alaska Native- 1--
Asian- 3--
Black or African American- 14--
Hispanic or Latino- 15--
Multi-Race, Not Hispanic or Latino- 13--
Native Hawaiian or Other Pacific Islander----
White 50.2 4703Typical Growth - High

Mathematics growth - High school
Group 2026 Mean SGP N Points Reason
All Students 41.7 782Typical Growth - Low
Lowest Performing 46.2 202Typical Growth - Low
High Needs 48.5 232Typical Growth - Low
English Learners and Former English Learners----
Low Income- 6--
Students with Disabilities- 18--
American Indian or Alaska Native----
Asian- 2--
Black or African American- 2--
Hispanic or Latino- 1--
Multi-Race, Not Hispanic or Latino----
Native Hawaiian or Other Pacific Islander----
White 42.6 732Typical Growth - Low

Four-year cohort graduation rate - High school
Group 2024 Rate (%) 2025 Rate (%) Change Target (%) N Points Reason
All Students 97.0 95.2 -1.8 95.0 1053Met Target
Lowest Performing-------
High Needs 90.0 83.3 -6.7 94.3 240Declined
English Learners and Former English Learners-------
Low Income---- 16--
Students with Disabilities---- 12--
American Indian or Alaska Native-------
Asian---- 1--
Black or African American---- 3--
Hispanic or Latino-------
Multi-Race, Not Hispanic or Latino---- 3--
Native Hawaiian or Other Pacific Islander-------
White 97.8 94.9 -2.9 95.0 983Met Target

Extended engagement rate - High school
Group 2023 Rate (%) 2024 Rate (%) Change Target (%) N Points Reason
All Students 98.3 98.0 -0.3 95.0 1014Exceeded Target
Lowest Performing-------
High Needs 97.0 93.3 -3.7 95.0 300Declined
English Learners and Former English Learners-------
Low Income---- 13--
Students with Disabilities---- 21--
American Indian or Alaska Native-------
Asian---- 2--
Black or African American---- 3--
Hispanic or Latino---- 3--
Multi-Race, Not Hispanic or Latino---- 2--
Native Hawaiian or Other Pacific Islander-------
White 98.1 98.9 0.8 95.0 914Exceeded Target

Annual dropout rate - High school
Group 2024 Rate (%) 2025 Rate (%) Change Target (%) N Points Reason
All Students 0.2 0.0 -0.2 1.0 3814Exceeded Target
Lowest Performing-------
High Needs 1.3 0.0 -1.3 1.1 744Exceeded Target
English Learners and Former English Learners---- 1--
Low Income---- 28--
Students with Disabilities---- 53--
American Indian or Alaska Native-------
Asian---- 7--
Black or African American---- 12--
Hispanic or Latino---- 4--
Multi-Race, Not Hispanic or Latino---- 10--
Native Hawaiian or Other Pacific Islander-------
White 0.0 0.0 0.0 1.0 3484Exceeded 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 4.0 3.2 -0.8 3.0 8804Exceeded Target
Lowest Performing 4.6 4.8 0.2 2.5 1254Exceeded Target
High Needs 10.1 6.6 -3.5 8.3 2124Exceeded Target
English Learners and Former English Learners---- 2--
Low Income 18.0 11.3 -6.7 15.6 714Exceeded Target
Students with Disabilities 8.3 4.7 -3.6 5.9 1724Exceeded Target
American Indian or Alaska Native---- 1--
Asian---- 6--
Black or African American---- 20--
Hispanic or Latino 20.7 21.4 0.7 17.8 280Declined
Multi-Race, Not Hispanic or Latino---- 32--
Native Hawaiian or Other Pacific Islander-------
White 2.4 2.3 -0.1 1.2 7934Exceeded Target

Chronic absenteeism - High school
Group 2025 Rate (%) 2026 Rate (%) Change Target N Points Reason
All Students 8.5 8.4 -0.1 6.9 3804Exceeded Target
Lowest Performing 5.0 0.0 -5.0 1.0 204Exceeded Target
High Needs 12.6 13.1 0.5 9.7 991No Change
English Learners and Former English Learners---- 5--
Low Income---- 37--
Students with Disabilities---- 74--
American Indian or Alaska Native-------
Asian---- 7--
Black or African American---- 11--
Hispanic or Latino---- 9--
Multi-Race, Not Hispanic or Latino---- 10--
Native Hawaiian or Other Pacific Islander-------
White 7.6 6.7 -0.9 5.8 3434Exceeded Target

Advanced coursework completion - High school
Group 2025 Rate (%) 2026 Rate (%) Change Target N Points Reason
All Students 90.3 93.4 3.1 93.7 1984Exceeded Target
Lowest Performing-------
High Needs 66.7 76.9 10.2 72.4 394Exceeded Target
English Learners and Former English Learners---- 1--
Low Income---- 20--
Students with Disabilities---- 27--
American Indian or Alaska Native-------
Asian---- 4--
Black or African American---- 7--
Hispanic or Latino---- 3--
Multi-Race, Not Hispanic or Latino---- 7--
Native Hawaiian or Other Pacific Islander-------
White 90.2 93.8 3.6 93.8 1774Exceeded 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 737 737100Yes 1 737 73299Yes 1 279 27599Yes 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 177 177 177 175 65 64 419 41699Yes1
English Learners and Former English Learners 2 2 2 2 1 1 5----
Low Income 58 58 58 56 24 24 140 13899Yes1
Students with Disabilities 144 144 144 142 51 50 339 33699Yes1
American Indian or Alaska Native 1 1 1 1 1 1 3----
Asian 8 8 8 8 3 3 19----
Black or African American 19 19 19 19 7 7 45----
Hispanic or Latino 21 21 21 21 7 7 49 49100Yes1
Multi-Race, Not Hispanic or Latino 20 20 20 20 3 3 43 43100Yes1
Native Hawaiian or Other Pacific Islander-----------
White 668 668 668 663 258 254 1,594 1,58599Yes1

School Accountability Information
School Accountability information School accountability percentile
Cohasset High SchoolNot requiring assistance or intervention 89
Cohasset Middle SchoolNot requiring assistance or intervention 93
Deer HillNot requiring assistance or intervention 82
Joseph OsgoodInsufficient data-



School and District Profiles