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Cohasset
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2019 Official Accountability Report - Cohasset
Organization Information
DISTRICT NAME
Cohasset (00650000)		TITLE I STATUS
Title I District
REGION
Coastal		GRADES SERVED
PK,K,01,02,03,04,05,06,07,08,09,10,11,12

Accountability Information

Overall classificationNot requiring assistance or intervention
Reason for classification
Substantial progress toward targets
Progress toward improvement targetsAccountability percentile
63% - Substantial progress toward targets-

Overall progress toward improvement targets

 20182019
Annual criterion-referenced target percentage56%68%
Weight40%60%
Cumulative criterion-referenced target percentage
(2018 x 40%) + (2019 x 60%)		63%
Substantial progress toward targets

2019 Points awarded

2019 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 achievement34-24-44-44-
Mathematics achievement24-24-44-44-
Science achievement44----44----
Achievement total91267.54867.5121247.58867.5
GrowthEnglish language arts growth34-24-24-14-
Mathematics growth24-24-34-34-
Growth total5822.54822.55822.54822.5
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 absenteeism04-04-04-04-
Advanced coursework completion------44----
Additional indicators total0410.00410.04810.00410.0
Weighted total7.210.3-3.67.6-9.610.7-6.37.6-
Percentage of possible points 70%-47%-90%-83%-
Percentage of possible points by gradespan59%
Weight of non-high school results:66%		86%
Weight of high school results:34%
2019 Annual criterion-referenced target percentage68%

2018 Points awarded

2018 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 achievement34-24-44-44-
Mathematics achievement04-14-44-44-
Science achievement04----44----
Achievement total31267.53867.5121247.58867.5
GrowthEnglish language arts growth34-34-44----
Mathematics growth24-24-44-34-
Growth total5822.55822.58822.53422.5
High school completionFour-year cohort graduation rate------44----
Extended engagement rate------34----
Annual dropout rate------44----
High school completion total------111220.0---
Progress toward attaining English language proficiencyEnglish language proficiency total------------
Additional indicatorsChronic absenteeism44-04-34-44-
Advanced coursework completion------34----
Additional indicators total4410.00410.06810.04410.0
Weighted total3.610.3-3.27.6-10.310.7-6.56.7-
Percentage of possible points 35%-42%-96%-97%-
Percentage of possible points by gradespan39%
Weight of non-high school results:70%		97%
Weight of high school results:30%
2018 Annual criterion-referenced target percentage56%

Overall progress toward improvement targets

 20182019
Annual criterion-referenced target percentage--
Weight--
Cumulative criterion-referenced target percentage
(2018 x 40%) + (2019 x 60%)		-
-

2019 Points awarded

2019 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 achievement------
Mathematics achievement------
Science achievement------
Achievement total------
GrowthEnglish language arts growth------
Mathematics growth------
Growth total------
High school completionFour-year cohort graduation rate------
Extended engagement rate------
Annual dropout rate------
High school completion total------
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism------
Advanced coursework completion------
Additional indicators total------
Weighted total------
Percentage of possible points ----
Percentage of possible points by gradespan--
2019 Annual criterion-referenced target percentage-

2018 Points awarded

2018 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 achievement------
Mathematics achievement------
Science achievement------
Achievement total------
GrowthEnglish language arts growth------
Mathematics growth------
Growth total------
High school completionFour-year cohort graduation rate------
Extended engagement rate------
Annual dropout rate------
High school completion total------
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism------
Advanced coursework completion------
Additional indicators total------
Weighted total------
Percentage of possible points ----
Percentage of possible points by gradespan--
2018 Annual criterion-referenced target percentage-

Detailed data for each indicator

English language arts achievement - MCAS average composite scaled score - Non-high school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 510.3 510.7 0.4 511.5 7193Met Target
Lowest Performing 489.2 491.9 2.7 492.9 1452Improved Below Target
High needs---- 138--
Econ. Disadvantaged---- 47--
EL and Former EL---- 3--
Students w/ disabilities---- 104--
Amer. Ind. or Alaska Nat.-------
Asian---- 15--
Afr. Amer./Black---- 21--
Hispanic/Latino---- 6--
Multi-race, Non-Hisp./Lat.---- 13--
Nat. Haw. or Pacif. Isl.-------
White 510.5 511.0 0.5 511.8 6643Met Target

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 99.8 0.0 100.0 1324Exceeded Target
Lowest Performing 99.2 100.0 0.8 100.0 324Exceeded Target
High needs---- 29--
Econ. Disadvantaged---- 11--
EL and Former EL-------
Students w/ disabilities---- 20--
Amer. Ind. or Alaska Nat.-------
Asian---- 5--
Afr. Amer./Black---- 3--
Hispanic/Latino---- 2--
Multi-race, Non-Hisp./Lat.-------
Nat. Haw. or Pacif. Isl.-------
White 99.8 99.8 0.0 100.0 1224Exceeded Target

Mathematics achievement - MCAS average composite scaled score - Non-high school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 503.6 504.1 0.5 504.9 7192Improved Below Target
Lowest Performing 484.4 486.0 1.6 487.1 1462Improved Below Target
High needs---- 138--
Econ. Disadvantaged---- 47--
EL and Former EL---- 3--
Students w/ disabilities---- 104--
Amer. Ind. or Alaska Nat.-------
Asian---- 15--
Afr. Amer./Black---- 21--
Hispanic/Latino---- 6--
Multi-race, Non-Hisp./Lat.---- 13--
Nat. Haw. or Pacif. Isl.-------
White 503.9 504.5 0.6 505.0 6643Met Target

Mathematics achievement - MCAS Composite Performance Index (CPI) - High school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 98.0 99.6 1.6 99.8 1314Exceeded Target
Lowest Performing 92.7 100.0 7.3 95.5 314Exceeded Target
High needs---- 29--
Econ. Disadvantaged---- 11--
EL and Former EL-------
Students w/ disabilities---- 20--
Amer. Ind. or Alaska Nat.-------
Asian---- 5--
Afr. Amer./Black---- 3--
Hispanic/Latino---- 2--
Multi-race, Non-Hisp./Lat.-------
Nat. Haw. or Pacif. Isl.-------
White 97.8 99.6 1.8 99.6 1214Exceeded Target

Science achievement - MCAS Composite Performance Index (CPI) - Non-high school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 77.3 80.7 3.4 79.1 2634Exceeded Target
Lowest Performing-------
High needs---- 54--
Econ. Disadvantaged---- 17--
EL and Former EL---- 1--
Students w/ disabilities---- 42--
Amer. Ind. or Alaska Nat.-------
Asian---- 5--
Afr. Amer./Black---- 6--
Hispanic/Latino---- 2--
Multi-race, Non-Hisp./Lat.---- 1--
Nat. Haw. or Pacif. Isl.-------
White 77.3 81.2 3.9 79.2 2494Exceeded Target

Science achievement - MCAS Composite Performance Index (CPI) - High school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 98.4 98.5 0.1 100.0 1304Exceeded Target
Lowest Performing-------
High needs---- 29--
Econ. Disadvantaged---- 11--
EL and Former EL-------
Students w/ disabilities---- 20--
Amer. Ind. or Alaska Nat.-------
Asian---- 5--
Afr. Amer./Black---- 3--
Hispanic/Latino---- 2--
Multi-race, Non-Hisp./Lat.-------
Nat. Haw. or Pacif. Isl.-------
White 98.6 98.3 -0.3 100.0 1204Exceeded Target

English language arts growth - Non-high school
Group 2019 Mean SGP N Points Reason
All Students 51.3 5863Typical Growth - High
Lowest Performing 48.1 1452Typical Growth - Low
High needs- 110--
Econ. Disadvantaged- 39--
EL and Former EL- 1--
Students w/ disabilities- 82--
Amer. Ind. or Alaska Nat.----
Asian- 12--
Afr. Amer./Black- 17--
Hispanic/Latino- 5--
Multi-race, Non-Hisp./Lat.- 12--
Nat. Haw. or Pacif. Isl.----
White 51.6 5403Typical Growth - High

English language arts growth - High school
Group 2019 Mean SGP N Points Reason
All Students 48.6 1252Typical Growth - Low
Lowest Performing 32.1 311Low Growth
High needs- 26--
Econ. Disadvantaged- 11--
EL and Former EL----
Students w/ disabilities- 17--
Amer. Ind. or Alaska Nat.----
Asian- 5--
Afr. Amer./Black- 3--
Hispanic/Latino- 2--
Multi-race, Non-Hisp./Lat.----
Nat. Haw. or Pacif. Isl.----
White 47.7 1152Typical Growth - Low

Mathematics growth - Non-high school
Group 2019 Mean SGP N Points Reason
All Students 48.5 5872Typical Growth - Low
Lowest Performing 48.0 1452Typical Growth - Low
High needs- 109--
Econ. Disadvantaged- 39--
EL and Former EL- 1--
Students w/ disabilities- 81--
Amer. Ind. or Alaska Nat.----
Asian- 12--
Afr. Amer./Black- 17--
Hispanic/Latino- 5--
Multi-race, Non-Hisp./Lat.- 12--
Nat. Haw. or Pacif. Isl.----
White 48.5 5412Typical Growth - Low

Mathematics growth - High school
Group 2019 Mean SGP N Points Reason
All Students 55.4 1213Typical Growth - High
Lowest Performing 59.1 303Typical Growth - High
High needs- 25--
Econ. Disadvantaged- 10--
EL and Former EL----
Students w/ disabilities- 17--
Amer. Ind. or Alaska Nat.----
Asian- 4--
Afr. Amer./Black- 3--
Hispanic/Latino- 2--
Multi-race, Non-Hisp./Lat.----
Nat. Haw. or Pacif. Isl.----
White 54.8 1123Typical Growth - High

Four-year cohort graduation rate - High school
Group 2017 Rate (%) 2018 Rate (%) Change Target (%) N Points Reason
All Students 100.0 97.9 -2.1 100.0 964Exceeded Target
Lowest Performing-------
High needs---- 32--
Econ. Disadvantaged---- 13--
EL and Former EL-------
Students w/ disabilities---- 26--
Amer. Ind. or Alaska Nat.---- 1--
Asian---- 1--
Afr. Amer./Black---- 5--
Hispanic/Latino---- 1--
Multi-race, Non-Hisp./Lat.-------
Nat. Haw. or Pacif. Isl.-------
White 100.0 97.7 -2.3 100.0 884Exceeded Target

Extended engagement rate - High school
Group 2016 Rate (%) 2017 Rate (%) Change Target (%) N Points Reason
All Students 99.1 100.0 0.9 100.0 904Exceeded Target
Lowest Performing-------
High needs---- 18--
Econ. Disadvantaged---- 7--
EL and Former EL-------
Students w/ disabilities---- 13--
Amer. Ind. or Alaska Nat.-------
Asian-------
Afr. Amer./Black---- 3--
Hispanic/Latino-------
Multi-race, Non-Hisp./Lat.-------
Nat. Haw. or Pacif. Isl.-------
White 99.1 100.0 0.9 100.0 874Exceeded Target

Annual dropout rate - High school
Group 2017 Rate (%) 2018 Rate (%) Change Target (%) N Points Reason
All Students 0.0 0.0 0.0 1.0 4694Exceeded Target
Lowest Performing-------
High needs---- 77--
Econ. Disadvantaged---- 20--
EL and Former EL-------
Students w/ disabilities---- 63--
Amer. Ind. or Alaska Nat.---- 1--
Asian---- 15--
Afr. Amer./Black---- 17--
Hispanic/Latino---- 7--
Multi-race, Non-Hisp./Lat.---- 1--
Nat. Haw. or Pacif. Isl.-------
White 0.0 0.0 0.0 1.0 4284Exceeded Target

Progress toward attaining English language proficiency - Non-high school
Group 2018 Rate (%) 2019 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 2018 Rate (%) 2019 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 2018 Rate (%) 2019 Rate (%) Change Target N Points Reason
All Students 3.4 6.4 3.0 2.4 9590Declined
Lowest Performing 6.2 6.8 0.6 4.1 1460Declined
High needs---- 185--
Econ. Disadvantaged---- 57--
EL and Former EL---- 6--
Students w/ disabilities---- 126--
Amer. Ind. or Alaska Nat.-------
Asian---- 18--
Afr. Amer./Black---- 28--
Hispanic/Latino---- 10--
Multi-race, Non-Hisp./Lat.---- 17--
Nat. Haw. or Pacif. Isl.-------
White 3.2 6.0 2.8 2.0 8860Declined

Chronic absenteeism - High school
Group 2018 Rate (%) 2019 Rate (%) Change Target N Points Reason
All Students 8.4 12.4 4.0 6.8 4930Declined
Lowest Performing 6.7 9.4 2.7 1.4 320Declined
High needs---- 105--
Econ. Disadvantaged---- 29--
EL and Former EL---- 4--
Students w/ disabilities---- 80--
Amer. Ind. or Alaska Nat.---- 2--
Asian---- 18--
Afr. Amer./Black---- 16--
Hispanic/Latino---- 8--
Multi-race, Non-Hisp./Lat.---- 4--
Nat. Haw. or Pacif. Isl.-------
White 6.9 11.9 5.0 5.1 4450Declined

Advanced coursework completion - High school
Group 2018 Rate (%) 2019 Rate (%) Change Target N Points Reason
All Students 91.0 86.7 -4.3 95.3 2404Exceeded Target
Lowest Performing-------
High needs---- 46--
Econ. Disadvantaged---- 9--
EL and Former EL---- 2--
Students w/ disabilities---- 39--
Amer. Ind. or Alaska Nat.-------
Asian---- 9--
Afr. Amer./Black---- 10--
Hispanic/Latino---- 4--
Multi-race, Non-Hisp./Lat.---- 2--
Nat. Haw. or Pacif. Isl.-------
White 91.8 87.4 -4.4 96.0 2154Exceeded 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 855 85099Yes 1 853 850100Yes 1 398 39599Yes 1

Assessment participation - Subgroups
Group English language arts Mathematics Science Overall
Enrolled Assessed Enrolled Assessed Enrolled Assessed Total Enrolled Total Assessed % Met Target? Years in Rate
High needs 171 166 170 167 86 83 427 41697Yes1
Econ. Disadvantaged 58 58 58 58 29 28 145 14499Yes1
EL and Former EL 3 2 3 3 1 1 7----
Students w/ disabilities 128 124 127 124 65 62 320 31097Yes1
Amer. Ind. or Alaska Nat.-----------
Asian 20 20 20 20 10 10 50 50100Yes1
Afr. Amer./Black 24 24 24 24 9 9 57 57100Yes1
Hispanic/Latino 8 8 8 8 4 4 20----
Multi-race, Non-Hisp./Lat. 13 13 13 13 1 1 27----
Nat. Haw. or Pacif. Isl.-----------
White 790 785 788 785 374 371 1,952 1,94199Yes1

School Accountability Information
School Accountability classification
Cohasset Middle/High SchoolNot requiring assistance or intervention
Deer HillNot requiring assistance or intervention
Joseph OsgoodInsufficient data


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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