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Cohasset High School
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2019 Official Accountability Report - Cohasset Middle/High School
Organization Information
DISTRICT NAME
Cohasset (00650000)		TITLE I STATUS
Non-Title I School
SCHOOL
Cohasset Middle/High School (00650505)		GRADES SERVED
06,07,08,09,10,11,12
REGION
Coastal		FEDERAL DESIGNATION
-

Overall progress toward improvement targets

 20182019
Annual criterion-referenced target percentage63%77%
Weight40%60%
Cumulative criterion-referenced target percentage
(2018 x 40%) + (2019 x 60%)		71%
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 achievement44-24-44-44-
Mathematics achievement44-24-44-44-
Science achievement34----44-34-
Achievement total111267.54867.5121247.5111267.5
GrowthEnglish language arts growth24-24-24-14-
Mathematics growth24-24-34-34-
Growth total4822.54822.55822.54822.5
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 absenteeism04-34-04-04-
Advanced coursework completion------34----
Additional indicators total0410.03410.03810.00410.0
Weighted total8.310.3-3.97.6-9.510.7-8.310.3-
Percentage of possible points 81%-51%-89%-81%-
Percentage of possible points by gradespan66%
Weight of non-high school results:42%		85%
Weight of high school results:58%
2019 Annual criterion-referenced target percentage77%

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 achievement04-04-44-44-
Mathematics achievement04-04-44-44-
Science achievement04----44-44-
Achievement total01267.50867.5121247.5121267.5
GrowthEnglish language arts growth24-24-44----
Mathematics growth24-24-44-34-
Growth total4822.54822.58822.53422.5
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 absenteeism04-04-34-34-
Advanced coursework completion------34----
Additional indicators total0410.00410.06810.03410.0
Weighted total0.910.3-0.97.6-10.510.7-9.19.4-
Percentage of possible points 9%-12%-98%-97%-
Percentage of possible points by gradespan11%
Weight of non-high school results:40%		98%
Weight of high school results:60%
2018 Annual criterion-referenced target percentage63%

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-

Subgroup percentile

This group's overall performance relative to the performance of the same subgroup in schools serving similar grades
-

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 507.9 510.1 2.2 508.9 3454Exceeded Target
Lowest Performing 483.2 486.4 3.2 487.3 572Improved Below Target
High needs---- 63--
Econ. Disadvantaged---- 25--
EL and Former EL---- 1--
Students w/ disabilities---- 45--
Amer. Ind. or Alaska Nat.-------
Asian---- 8--
Afr. Amer./Black---- 9--
Hispanic/Latino---- 4--
Multi-race, Non-Hisp./Lat.---- 7--
Nat. Haw. or Pacif. Isl.-------
White 508.1 510.7 2.6 509.1 3174Exceeded 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 99.8 100.0 0.2 100.0 1294Exceeded Target
Lowest Performing 99.2 100.0 0.8 100.0 324Exceeded Target
High needs---- 26--
Econ. Disadvantaged---- 10--
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 99.8 100.0 0.2 100.0 1194Exceeded Target

Mathematics achievement - MCAS average composite scaled score - Non-high school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 502.2 505.4 3.2 503.2 3454Exceeded Target
Lowest Performing 482.8 484.6 1.8 486.0 572Improved Below Target
High needs---- 63--
Econ. Disadvantaged---- 25--
EL and Former EL---- 1--
Students w/ disabilities---- 45--
Amer. Ind. or Alaska Nat.-------
Asian---- 8--
Afr. Amer./Black---- 9--
Hispanic/Latino---- 4--
Multi-race, Non-Hisp./Lat.---- 7--
Nat. Haw. or Pacif. Isl.-------
White 502.8 506.1 3.3 503.8 3174Exceeded Target

Mathematics achievement - MCAS Composite Performance Index (CPI) - High school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 98.0 100.0 2.0 99.6 1284Exceeded Target
Lowest Performing 92.7 100.0 7.3 94.8 314Exceeded Target
High needs---- 26--
Econ. Disadvantaged---- 10--
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 97.7 100.0 2.3 99.3 1184Exceeded Target

Science achievement - MCAS Composite Performance Index (CPI) - Non-high school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 71.7 74.4 2.7 73.9 1253Met Target
Lowest Performing-------
High needs---- 20--
Econ. Disadvantaged---- 8--
EL and Former EL-------
Students w/ disabilities---- 15--
Amer. Ind. or Alaska Nat.-------
Asian---- 4--
Afr. Amer./Black---- 3--
Hispanic/Latino---- 1--
Multi-race, Non-Hisp./Lat.---- 1--
Nat. Haw. or Pacif. Isl.-------
White 71.5 74.8 3.3 73.4 1164Exceeded 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 98.8 0.4 100.0 1274Exceeded Target
Lowest Performing 94.4 95.3 0.9 96.7 323Met Target
High needs---- 26--
Econ. Disadvantaged---- 10--
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 98.6 98.7 0.1 100.0 1174Exceeded Target

English language arts growth - Non-high school
Group 2019 Mean SGP N Points Reason
All Students 46.8 3352Typical Growth - Low
Lowest Performing 42.6 572Typical Growth - Low
High needs- 56--
Econ. Disadvantaged- 22--
EL and Former EL----
Students w/ disabilities- 40--
Amer. Ind. or Alaska Nat.----
Asian- 8--
Afr. Amer./Black- 9--
Hispanic/Latino- 3--
Multi-race, Non-Hisp./Lat.- 6--
Nat. Haw. or Pacif. Isl.----
White 47.1 3092Typical Growth - Low

English language arts growth - High school
Group 2019 Mean SGP N Points Reason
All Students 48.2 1242Typical Growth - Low
Lowest Performing 32.1 311Low Growth
High needs- 25--
Econ. Disadvantaged- 10--
EL and Former EL----
Students w/ disabilities- 16--
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 47.3 1142Typical Growth - Low

Mathematics growth - Non-high school
Group 2019 Mean SGP N Points Reason
All Students 49.4 3352Typical Growth - Low
Lowest Performing 48.5 562Typical Growth - Low
High needs- 55--
Econ. Disadvantaged- 22--
EL and Former EL----
Students w/ disabilities- 39--
Amer. Ind. or Alaska Nat.----
Asian- 8--
Afr. Amer./Black- 9--
Hispanic/Latino- 3--
Multi-race, Non-Hisp./Lat.- 6--
Nat. Haw. or Pacif. Isl.----
White 48.8 3092Typical Growth - Low

Mathematics growth - High school
Group 2019 Mean SGP N Points Reason
All Students 55.3 1203Typical Growth - High
Lowest Performing 59.1 303Typical Growth - High
High needs- 24--
Econ. Disadvantaged- 9--
EL and Former EL----
Students w/ disabilities- 16--
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 54.6 1113Typical Growth - High

Four-year cohort graduation rate - High school
Group 2017 Rate (%) 2018 Rate (%) Change Target (%) N Points Reason
All Students 100.0 98.9 -1.1 100.0 944Exceeded Target
Lowest Performing-------
High needs---- 30--
Econ. Disadvantaged---- 11--
EL and Former EL-------
Students w/ disabilities---- 24--
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 98.8 -1.2 100.0 864Exceeded Target

Extended engagement rate - High school
Group 2016 Rate (%) 2017 Rate (%) Change Target (%) N Points Reason
All Students 100.0 100.0 0.0 100.0 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 100.0 100.0 0.0 100.0 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 4.5 7.1 2.6 3.4 3520Declined
Lowest Performing 1.8 5.3 3.5 0.0 573Met Target
High needs---- 63--
Econ. Disadvantaged---- 25--
EL and Former EL---- 1--
Students w/ disabilities---- 43--
Amer. Ind. or Alaska Nat.-------
Asian---- 8--
Afr. Amer./Black---- 9--
Hispanic/Latino---- 4--
Multi-race, Non-Hisp./Lat.---- 7--
Nat. Haw. or Pacif. Isl.-------
White 3.8 7.1 3.3 2.6 3240Declined

Chronic absenteeism - High school
Group 2018 Rate (%) 2019 Rate (%) Change Target N Points Reason
All Students 8.5 12.7 4.2 7.4 4820Declined
Lowest Performing 6.7 9.4 2.7 2.7 320Declined
High needs---- 94--
Econ. Disadvantaged---- 24--
EL and Former EL---- 4--
Students w/ disabilities---- 69--
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 7.0 12.2 5.2 5.6 4340Declined

Advanced coursework completion - High school
Group 2018 Rate (%) 2019 Rate (%) Change Target N Points Reason
All Students 91.0 86.7 -4.3 93.7 2403Met 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 94.6 2153Met 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 475 475100Yes 1 474 474100Yes 1 256 255100Yes 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 89 89 89 89 47 46 225 224100Yes1
Econ. Disadvantaged 35 35 35 35 19 18 89 8899Yes1
EL and Former EL 1 1 1 1-- 2----
Students w/ disabilities 62 62 62 62 33 32 157 15699Yes1
Amer. Ind. or Alaska Nat.-----------
Asian 13 13 13 13 9 9 35----
Afr. Amer./Black 12 12 12 12 6 6 30----
Hispanic/Latino 6 6 6 6 3 3 15----
Multi-race, Non-Hisp./Lat. 7 7 7 7 1 1 15----
Nat. Haw. or Pacif. Isl.-----------
White 437 437 436 436 237 236 1,110 1,109100Yes1


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.


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