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Chelmsford High
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2023 Official Accountability Report - Chelmsford High
Organization Information
DISTRICT NAME
Chelmsford (00560000)		TITLE I STATUS
Non-Title I School
SCHOOL
Chelmsford High (00560505)		GRADES SERVED
09,10,11,12
REGION
Coastal		FEDERAL DESIGNATION
-

Accountability Information

Overall classificationNot requiring assistance or intervention
Reason for classification
Substantial progress toward targets
Progress toward improvement targetsAccountability percentile
73% - Substantial progress toward targets81

Overall progress toward improvement targets

 2023
Criterion-referenced target percentage73%
Progress towards targetsSubstantial progress toward targets

2023 Points awarded

2023 Progress toward improvement targets
Indicator All students
(High school grades)		 Lowest performing students
(High school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement44----
Mathematics achievement34----
Science achievement14----
Achievement total81247.5---
GrowthEnglish language arts growth34----
Mathematics growth34----
Growth total6822.5---
High school completionFour-year cohort graduation rate44----
Extended engagement rate44----
Annual dropout rate34----
High school completion total111220.0---
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism44----
Advanced coursework completion04----
Additional indicators total4810.0---
Weighted total7.810.7----
Percentage of possible points 73%---
2023 Criterion-referenced target percentage73%

Student group percentile

This group's overall performance relative to the performance of the same student group in schools serving similar grades
75

Overall progress toward improvement targets

 2023
Criterion-referenced target percentage78%
Progress towards targetsMeeting or exceeding targets

2023 Points awarded

2023 Progress toward improvement targets
Indicator High needs Student Group
(High school grades)
Points earned Total possible points Weight %
AchievementEnglish language arts achievement44-
Mathematics achievement44-
Science achievement44-
Achievement total121247.5
GrowthEnglish language arts growth34-
Mathematics growth34-
Growth total6822.5
High school completionFour-year cohort graduation rate24-
Extended engagement rate34-
Annual dropout rate04-
High school completion total51220.0
Progress toward attaining English language proficiencyEnglish language proficiency total---
Additional indicatorsChronic absenteeism24-
Advanced coursework completion04-
Additional indicators total2810.0
Weighted total8.310.7-
Percentage of possible points 78%-
2023 Criterion-referenced target percentage78%

Detailed data for each indicator

English language arts achievement - MCAS average composite scaled score - High school
Group 2022 Achievement 2023 Achievement Change 2023 Target N Points Reason
All Students 513.3 516.1 2.8 515.3 3304Recovery Path: Exceeded Target
Lowest Performing-------
High needs 499.0 506.1 7.1 500.9 1124Path Forward: Exceeded Target
Low income 499.4 509.1 9.7 503.0 714Path Forward: Exceeded Target
EL and Former EL---- 23--
Students w/ disabilities 491.3 497.3 6.0 492.7 464Recovery Path: Exceeded Target
Amer. Ind. or Alaska Nat.---- 1--
Asian 520.9 520.7 -0.2 523.7 594Recovery Path: Exceeded Target
Afr. Amer./Black---- 10--
Hispanic/Latino---- 27--
Multi-race, Non-Hisp./Lat.---- 15--
Nat. Haw. or Pacif. Isl.---- 2--
White 512.7 517.2 4.5 514.8 2164Recovery Path: Exceeded Target

Mathematics achievement - MCAS average composite scaled score - High school
Group 2022 Achievement 2023 Achievement Change 2023 Target N Points Reason
All Students 511.3 509.9 -1.4 513.5 3253Recovery Path: Met Target
Lowest Performing-------
High needs 493.3 498.9 5.6 496.0 1104Recovery Path: Exceeded Target
Low income 494.0 501.0 7.0 496.9 694Recovery Path: Exceeded Target
EL and Former EL---- 23--
Students w/ disabilities 485.8 490.9 5.1 488.9 444Recovery Path: Exceeded Target
Amer. Ind. or Alaska Nat.---- 1--
Asian 526.0 521.4 -4.6 528.7 594Recovery Path: Exceeded Target
Afr. Amer./Black---- 10--
Hispanic/Latino---- 26--
Multi-race, Non-Hisp./Lat.---- 14--
Nat. Haw. or Pacif. Isl.---- 2--
White 510.5 509.4 -1.1 512.5 2133Recovery Path: Met Target

Science achievement - MCAS average composite scaled score - High school
Group 2022 Achievement 2023 Achievement Change 2023 Target N Points Reason
All Students 509.3 508.9 -0.4 512.6 3101Recovery Path: No Change
Lowest Performing-------
High needs 494.0 497.3 3.3 496.3 974Recovery Path: Exceeded Target
Low income 495.4 498.1 2.7 498.6 593Recovery Path: Met Target
EL and Former EL---- 18--
Students w/ disabilities 486.2 490.6 4.4 489.2 444Recovery Path: Exceeded Target
Amer. Ind. or Alaska Nat.---- 1--
Asian 519.7 520.8 1.1 522.6 524Recovery Path: Exceeded Target
Afr. Amer./Black---- 10--
Hispanic/Latino---- 22--
Multi-race, Non-Hisp./Lat.---- 14--
Nat. Haw. or Pacif. Isl.---- 1--
White 508.8 508.1 -0.7 511.5 2100Recovery Path: Declined

English language arts growth - High school
Group 2023 Mean SGP N Points Reason
All Students 56.9 3033Typical Growth - High
Lowest Performing----
High needs 58.2 953Typical Growth - High
Low income 58.7 613Typical Growth - High
EL and Former EL- 16--
Students w/ disabilities 52.5 413Typical Growth - High
Amer. Ind. or Alaska Nat.- 1--
Asian 58.0 533Typical Growth - High
Afr. Amer./Black- 8--
Hispanic/Latino- 22--
Multi-race, Non-Hisp./Lat.- 14--
Nat. Haw. or Pacif. Isl.----
White 56.5 2053Typical Growth - High

Mathematics growth - High school
Group 2023 Mean SGP N Points Reason
All Students 57.3 2983Typical Growth - High
Lowest Performing----
High needs 53.1 943Typical Growth - High
Low income 54.0 603Typical Growth - High
EL and Former EL- 16--
Students w/ disabilities 50.0 403Typical Growth - High
Amer. Ind. or Alaska Nat.- 1--
Asian 53.3 533Typical Growth - High
Afr. Amer./Black- 8--
Hispanic/Latino- 21--
Multi-race, Non-Hisp./Lat.- 13--
Nat. Haw. or Pacif. Isl.----
White 60.1 2024Exceeded Typical Growth

Four-year cohort graduation rate - High school
Group 2021 Rate (%) 2022 Rate (%) Change Target (%) N Points Reason
All Students 97.0 97.9 0.9 95.0 3394Exceeded Target
Lowest Performing-------
High needs 91.6 93.8 2.2 94.7 962Improved Below Target
Low income 88.6 92.5 3.9 92.7 673Met Target
EL and Former EL---- 10--
Students w/ disabilities 88.6 89.8 1.2 92.6 492Improved Below Target
Amer. Ind. or Alaska Nat.-------
Asian 93.8 100.0 6.2 95.0 594Exceeded Target
Afr. Amer./Black---- 10--
Hispanic/Latino---- 19--
Multi-race, Non-Hisp./Lat.---- 6--
Nat. Haw. or Pacif. Isl.---- 1--
White 98.6 98.4 -0.2 95.0 2444Exceeded Target

Extended engagement rate - High school
Group 2020 Rate (%) 2021 Rate (%) Change Target (%) N Points Reason
All Students 99.2 97.8 -1.4 95.0 3674Exceeded Target
Lowest Performing-------
High needs 97.0 94.7 -2.3 95.0 953Met Target
Low income 98.0 92.9 -5.1 95.0 700Declined
EL and Former EL---- 7--
Students w/ disabilities 96.2 93.2 -3.0 95.0 440Declined
Amer. Ind. or Alaska Nat.-------
Asian 100.0 93.8 -6.2 95.0 480Declined
Afr. Amer./Black---- 15--
Hispanic/Latino---- 10--
Multi-race, Non-Hisp./Lat.---- 8--
Nat. Haw. or Pacif. Isl.-------
White 98.9 99.3 0.4 95.0 2864Exceeded Target

Annual dropout rate - High school
Group 2021 Rate (%) 2022 Rate (%) Change Target (%) N Points Reason
All Students 0.1 0.7 0.6 1.0 1,3423Met Target
Lowest Performing-------
High needs 0.6 2.5 1.9 1.0 3670Declined
Low income 1.2 4.3 3.1 1.1 2070Declined
EL and Former EL---- 17--
Students w/ disabilities 1.1 1.6 0.5 1.0 1820Declined
Amer. Ind. or Alaska Nat.---- 2--
Asian 0.0 0.9 0.9 1.0 2323Met Target
Afr. Amer./Black---- 46--
Hispanic/Latino---- 83--
Multi-race, Non-Hisp./Lat.---- 39--
Nat. Haw. or Pacif. Isl.---- 4--
White 0.1 0.3 0.2 1.0 9363Met Target

Progress toward attaining English language proficiency - High school
Group 2022 Rate (%) 2023 Rate (%) Change Target N Points Reason
All Students-------
Lowest Performing-------
High needs-------
Low income-------
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 - High school
Group 2022 Rate (%) 2023 Rate (%) Change Target N Points Reason
All Students 19.3 16.5 -2.8 18.2 1,3884Exceeded Target
Lowest Performing-------
High needs 33.0 31.4 -1.6 29.9 4202Improved Below Target
Low income 39.3 37.5 -1.8 35.1 2482Improved Below Target
EL and Former EL---- 77--
Students w/ disabilities 35.9 35.4 -0.5 32.0 2062Improved Below Target
Amer. Ind. or Alaska Nat.---- 2--
Asian 11.3 8.7 -2.6 9.4 2544Exceeded Target
Afr. Amer./Black---- 59--
Hispanic/Latino---- 102--
Multi-race, Non-Hisp./Lat.---- 44--
Nat. Haw. or Pacif. Isl.---- 3--
White 19.4 16.3 -3.1 18.0 9244Exceeded Target

Advanced coursework completion - High school
Group 2022 Rate (%) 2023 Rate (%) Change Target N Points Reason
All Students 73.9 71.6 -2.3 76.0 6610Declined
Lowest Performing-------
High needs 48.8 45.7 -3.1 54.8 1750Declined
Low income 50.0 47.2 -2.8 55.8 890Declined
EL and Former EL---- 24--
Students w/ disabilities 40.0 39.6 -0.4 47.7 961No Change
Amer. Ind. or Alaska Nat.-------
Asian 92.1 86.8 -5.3 94.7 1213Met Target
Afr. Amer./Black---- 24--
Hispanic/Latino---- 39--
Multi-race, Non-Hisp./Lat.---- 13--
Nat. Haw. or Pacif. Isl.-------
White 71.7 69.4 -2.3 74.2 4640Declined

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 339 33799Yes 1 335 33299Yes 1 339 338100Yes 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 121 119 119 117 121 120 361 35699Yes1
Low income 79 77 77 75 79 78 235 23098Yes1
EL and Former EL 27 27 27 27 27 27 81 81100Yes1
Students w/ disabilities 49 48 48 46 49 48 146 14297Yes1
Amer. Ind. or Alaska Nat. 1 1 1 1 1 1 3----
Asian 59 59 59 59 59 59 177 177100Yes1
Afr. Amer./Black 14 14 14 14 14 14 42----
Hispanic/Latino 29 29 28 28 29 29 86 86100Yes1
Multi-race, Non-Hisp./Lat. 15 15 14 14 15 15 44----
Nat. Haw. or Pacif. Isl. 3 2 3 2 3 2 9----
White 218 217 216 214 218 218 652 649100Yes1


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 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)

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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