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Arlington High
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2023 Official Accountability Report - Arlington High
Organization Information
DISTRICT NAME
Arlington (00100000)		TITLE I STATUS
Non-Title I School
SCHOOL
Arlington High (00100505)		GRADES SERVED
09,10,11,12
REGION
Coastal		FEDERAL DESIGNATION
-

Accountability Information

Overall classificationNot requiring assistance or intervention
Reason for classification
Meeting or exceeding targets
Progress toward improvement targetsAccountability percentile
92% - Meeting or exceeding targets85

Overall progress toward improvement targets

 2023
Criterion-referenced target percentage92%
Progress towards targetsMeeting or exceeding 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 achievement44----
Science achievement44----
Achievement total121247.5---
GrowthEnglish language arts growth24----
Mathematics growth34----
Growth total5822.5---
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 completion44----
Additional indicators total8810.0---
Weighted total9.810.7----
Percentage of possible points 92%---
2023 Criterion-referenced target percentage92%

Student group percentile

This group's overall performance relative to the performance of the same student group in schools serving similar grades
80

Overall progress toward improvement targets

 2023
Criterion-referenced target percentage59%
Progress towards targetsSubstantial progress toward 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 achievement04-
Mathematics achievement34-
Science achievement44-
Achievement total71247.5
GrowthEnglish language arts growth24-
Mathematics growth34-
Growth total5822.5
High school completionFour-year cohort graduation rate34-
Extended engagement rate24-
Annual dropout rate04-
High school completion total51220.0
Progress toward attaining English language proficiencyEnglish language proficiency total---
Additional indicatorsChronic absenteeism44-
Advanced coursework completion44-
Additional indicators total8810.0
Weighted total6.310.7-
Percentage of possible points 59%-
2023 Criterion-referenced target percentage59%

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 515.2 517.6 2.4 516.5 3684Recovery Path: Exceeded Target
Lowest Performing-------
High needs 501.2 499.4 -1.8 502.3 900Recovery Path: Declined
Low income 505.3 497.4 -7.9 508.9 410Path Forward: Declined
EL and Former EL---- 9--
Students w/ disabilities 496.5 495.6 -0.9 497.8 560Recovery Path: Declined
Amer. Ind. or Alaska Nat.-------
Asian 511.0 521.4 10.4 513.2 444Recovery Path: Exceeded Target
Afr. Amer./Black---- 12--
Hispanic/Latino 511.9 502.8 -9.1 514.6 260Path Forward: Declined
Multi-race, Non-Hisp./Lat.---- 23--
Nat. Haw. or Pacif. Isl.---- 1--
White 516.5 519.1 2.6 518.0 2624Recovery 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 521.2 521.0 -0.2 522.3 3654Path Forward: Exceeded Target
Lowest Performing-------
High needs 505.6 505.6 0.0 508.3 873Path Forward: Met Target
Low income 502.7 501.6 -1.1 507.2 380Path Forward: Declined
EL and Former EL---- 8--
Students w/ disabilities 498.5 506.1 7.6 501.0 554Path Forward: Exceeded Target
Amer. Ind. or Alaska Nat.-------
Asian 520.7 526.6 5.9 524.1 444Path Forward: Exceeded Target
Afr. Amer./Black---- 10--
Hispanic/Latino 507.3 507.1 -0.2 511.5 253Path Forward: Met Target
Multi-race, Non-Hisp./Lat.---- 23--
Nat. Haw. or Pacif. Isl.---- 1--
White 523.1 521.4 -1.7 524.2 2624Path Forward: Exceeded Target

Science achievement - MCAS average composite scaled score - High school
Group 2022 Achievement 2023 Achievement Change 2023 Target N Points Reason
All Students 508.4 514.5 6.1 511.9 3434Recovery Path: Exceeded Target
Lowest Performing-------
High needs 494.3 498.7 4.4 496.6 764Recovery Path: Exceeded Target
Low income 494.0 495.6 1.6 497.0 312Recovery Path: Improved Below Target
EL and Former EL---- 5--
Students w/ disabilities 488.3 499.3 11.0 491.4 484Recovery Path: Exceeded Target
Amer. Ind. or Alaska Nat.-------
Asian 504.9 519.8 14.9 509.2 414Recovery Path: Exceeded Target
Afr. Amer./Black---- 10--
Hispanic/Latino 502.7 499.2 -3.5 505.9 230Path Forward: Declined
Multi-race, Non-Hisp./Lat.---- 20--
Nat. Haw. or Pacif. Isl.---- 1--
White 510.3 515.2 4.9 512.9 2484Recovery Path: Exceeded Target

English language arts growth - High school
Group 2023 Mean SGP N Points Reason
All Students 49.9 3202Typical Growth - Low
Lowest Performing----
High needs 40.3 742Typical Growth - Low
Low income 41.6 332Typical Growth - Low
EL and Former EL- 5--
Students w/ disabilities 35.9 481Low Growth
Amer. Ind. or Alaska Nat.----
Asian 52.3 383Typical Growth - High
Afr. Amer./Black- 11--
Hispanic/Latino 38.3 231Low Growth
Multi-race, Non-Hisp./Lat.- 18--
Nat. Haw. or Pacif. Isl.- 1--
White 51.3 2293Typical Growth - High

Mathematics growth - High school
Group 2023 Mean SGP N Points Reason
All Students 58.2 3223Typical Growth - High
Lowest Performing----
High needs 55.3 743Typical Growth - High
Low income 48.1 312Typical Growth - Low
EL and Former EL- 5--
Students w/ disabilities 58.4 483Typical Growth - High
Amer. Ind. or Alaska Nat.----
Asian 53.5 383Typical Growth - High
Afr. Amer./Black- 10--
Hispanic/Latino 50.2 233Typical Growth - High
Multi-race, Non-Hisp./Lat.- 18--
Nat. Haw. or Pacif. Isl.- 1--
White 59.6 2323Typical Growth - High

Four-year cohort graduation rate - High school
Group 2021 Rate (%) 2022 Rate (%) Change Target (%) N Points Reason
All Students 96.7 97.1 0.4 95.0 3754Exceeded Target
Lowest Performing-------
High needs 89.7 93.3 3.6 92.8 1053Met Target
Low income 91.8 93.9 2.1 95.0 662Improved Below Target
EL and Former EL---- 10--
Students w/ disabilities 87.5 87.7 0.2 91.5 572Improved Below Target
Amer. Ind. or Alaska Nat.-------
Asian 97.5 97.3 -0.2 95.0 374Exceeded Target
Afr. Amer./Black---- 15--
Hispanic/Latino---- 19--
Multi-race, Non-Hisp./Lat.---- 21--
Nat. Haw. or Pacif. Isl.-------
White 96.4 97.9 1.5 95.0 2834Exceeded Target

Extended engagement rate - High school
Group 2020 Rate (%) 2021 Rate (%) Change Target (%) N Points Reason
All Students 97.1 98.5 1.4 95.0 3334Exceeded Target
Lowest Performing-------
High needs 93.5 94.3 0.8 95.0 872Improved Below Target
Low income 90.4 95.9 5.5 93.6 494Exceeded Target
EL and Former EL---- 5--
Students w/ disabilities 97.9 94.6 -3.3 95.0 563Met Target
Amer. Ind. or Alaska Nat.-------
Asian 97.2 100.0 2.8 95.0 404Exceeded Target
Afr. Amer./Black---- 11--
Hispanic/Latino---- 19--
Multi-race, Non-Hisp./Lat.---- 15--
Nat. Haw. or Pacif. Isl.-------
White 98.1 98.4 0.3 95.0 2484Exceeded Target

Annual dropout rate - High school
Group 2021 Rate (%) 2022 Rate (%) Change Target (%) N Points Reason
All Students 0.2 0.4 0.2 1.0 1,4833Met Target
Lowest Performing-------
High needs 0.9 1.5 0.6 1.0 3410Declined
Low income 1.4 2.2 0.8 1.3 1830Declined
EL and Former EL---- 18--
Students w/ disabilities 1.1 2.2 1.1 1.0 1790Declined
Amer. Ind. or Alaska Nat.-------
Asian 0.0 0.6 0.6 1.0 1613Met Target
Afr. Amer./Black---- 56--
Hispanic/Latino 0.0 2.2 2.2 1.0 890Declined
Multi-race, Non-Hisp./Lat.---- 81--
Nat. Haw. or Pacif. Isl.---- 1--
White 0.2 0.3 0.1 1.0 1,0953Met 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 18.4 9.5 -8.9 17.3 1,5554Exceeded Target
Lowest Performing-------
High needs 32.4 20.2 -12.2 29.3 3824Exceeded Target
Low income 41.9 22.0 -19.9 37.7 1914Exceeded Target
EL and Former EL---- 70--
Students w/ disabilities 33.5 26.3 -7.2 29.6 2134Exceeded Target
Amer. Ind. or Alaska Nat.-------
Asian 11.3 6.4 -4.9 9.4 1574Exceeded Target
Afr. Amer./Black---- 53--
Hispanic/Latino 31.0 17.1 -13.9 27.0 1294Exceeded Target
Multi-race, Non-Hisp./Lat.---- 91--
Nat. Haw. or Pacif. Isl.---- 1--
White 17.6 8.5 -9.1 16.2 1,1244Exceeded Target

Advanced coursework completion - High school
Group 2022 Rate (%) 2023 Rate (%) Change Target N Points Reason
All Students 76.7 83.2 6.5 78.8 7724Exceeded Target
Lowest Performing-------
High needs 46.7 59.2 12.5 52.7 1744Exceeded Target
Low income 53.2 58.9 5.7 59.0 903Met Target
EL and Former EL---- 31--
Students w/ disabilities 28.4 54.9 26.5 36.1 914Exceeded Target
Amer. Ind. or Alaska Nat.-------
Asian 81.1 82.7 1.6 83.7 813Met Target
Afr. Amer./Black---- 25--
Hispanic/Latino 50.0 56.9 6.9 56.4 583Met Target
Multi-race, Non-Hisp./Lat.---- 44--
Nat. Haw. or Pacif. Isl.-------
White 81.1 86.7 5.6 83.6 5644Exceeded 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 382 37698Yes 1 381 37398Yes 1 382 37498Yes 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 100 96 99 93 100 94 299 28395Yes1
Low income 44 44 43 41 44 42 131 12797Yes1
EL and Former EL 13 13 13 12 13 11 39----
Students w/ disabilities 60 56 60 56 60 57 180 16995Yes2
Amer. Ind. or Alaska Nat.-----------
Asian 46 46 46 46 46 45 138 13799Yes1
Afr. Amer./Black 12 12 12 10 12 12 36----
Hispanic/Latino 29 28 27 26 28 28 84 8298Yes1
Multi-race, Non-Hisp./Lat. 23 23 23 23 23 23 69 69100Yes1
Nat. Haw. or Pacif. Isl. 1 1 1 1 1 1 3----
White 271 266 272 267 272 265 815 79898Yes1


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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