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Acton-Boxborough Regional High
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2019 Official Accountability Report - Acton-Boxborough Regional High
Organization Information
DISTRICT NAME
Acton-Boxborough (06000000)		TITLE I STATUS
Non-Title I School
SCHOOL
Acton-Boxborough Regional High (06000505)		GRADES SERVED
09,10,11,12
REGION
Coastal		FEDERAL DESIGNATION
-

Overall progress toward improvement targets

 20182019
Annual criterion-referenced target percentage87%85%
Weight40%60%
Cumulative criterion-referenced target percentage
(2018 x 40%) + (2019 x 60%)		86%
Meeting or exceeding targets

2019 Points awarded

2019 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 achievement44-44-
Mathematics achievement44-34-
Science achievement44-34-
Achievement total121247.5101267.5
GrowthEnglish language arts growth34-24-
Mathematics growth34-24-
Growth total6822.54822.5
High school completionFour-year cohort graduation rate34----
Extended engagement rate34----
Annual dropout rate44----
High school completion total101220.0---
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism44-44-
Advanced coursework completion24----
Additional indicators total6810.04410.0
Weighted total9.710.7-8.110.3-
Percentage of possible points 91%-79%-
2019 Annual criterion-referenced target percentage85%

2018 Points awarded

2018 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 achievement44-44-
Mathematics achievement44-34-
Science achievement44-34-
Achievement total121247.5101267.5
GrowthEnglish language arts growth44-24-
Mathematics growth44-34-
Growth total8822.55822.5
High school completionFour-year cohort graduation rate34----
Extended engagement rate34----
Annual dropout rate34----
High school completion total91220.0---
Progress toward attaining English language proficiencyEnglish language proficiency total------
Additional indicatorsChronic absenteeism44-44-
Advanced coursework completion34----
Additional indicators total7810.04410.0
Weighted total10.010.7-8.310.3-
Percentage of possible points 93%-81%-
2018 Annual criterion-referenced target percentage87%

Overall progress toward improvement targets

 20182019
Annual criterion-referenced target percentage46%79%
Weight40%60%
Cumulative criterion-referenced target percentage
(2018 x 40%) + (2019 x 60%)		66%
Substantial progress toward targets

2019 Points awarded

2019 Progress toward improvement targets
Indicator High needs Subgroup
(High school grades)
Points earned Total possible points Weight %
AchievementEnglish language arts achievement44-
Mathematics achievement34-
Science achievement34-
Achievement total101247.5
GrowthEnglish language arts growth34-
Mathematics growth34-
Growth total6822.5
High school completionFour-year cohort graduation rate24-
Extended engagement rate34-
Annual dropout rate44-
High school completion total91220.0
Progress toward attaining English language proficiencyEnglish language proficiency total---
Additional indicatorsChronic absenteeism24-
Advanced coursework completion34-
Additional indicators total5810.0
Weighted total8.410.7-
Percentage of possible points 79%-
2019 Annual criterion-referenced target percentage79%

2018 Points awarded

2018 Progress toward improvement targets
Indicator High needs Subgroup
(High school grades)
Points earned Total possible points Weight %
AchievementEnglish language arts achievement34-
Mathematics achievement24-
Science achievement14-
Achievement total61247.5
GrowthEnglish language arts growth24-
Mathematics growth34-
Growth total5822.5
High school completionFour-year cohort graduation rate04-
Extended engagement rate34-
Annual dropout rate04-
High school completion total31220.0
Progress toward attaining English language proficiencyEnglish language proficiency total---
Additional indicatorsChronic absenteeism24-
Advanced coursework completion14-
Additional indicators total3810.0
Weighted total4.910.7-
Percentage of possible points 46%-
2018 Annual criterion-referenced target percentage46%

Subgroup percentile

This group's overall performance relative to the performance of the same subgroup in schools serving similar grades
91

Detailed data for each indicator

English language arts achievement - MCAS Composite Performance Index (CPI) - High school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 99.5 99.9 0.4 100.0 4234Exceeded Target
Lowest Performing 98.9 99.8 0.9 100.0 1044Exceeded Target
High needs 97.2 99.3 2.1 99.1 674Exceeded Target
Econ. Disadvantaged 100.0 99.1 -0.9 100.0 284Exceeded Target
EL and Former EL---- 16--
Students w/ disabilities 97.7 99.3 1.6 99.8 364Exceeded Target
Amer. Ind. or Alaska Nat.---- 1--
Asian 99.8 99.8 0.0 100.0 1434Exceeded Target
Afr. Amer./Black---- 8--
Hispanic/Latino---- 11--
Multi-race, Non-Hisp./Lat.---- 21--
Nat. Haw. or Pacif. Isl.-------
White 100.0 99.9 -0.1 100.0 2394Exceeded Target

Mathematics achievement - MCAS Composite Performance Index (CPI) - High school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 98.5 98.8 0.3 100.0 4214Exceeded Target
Lowest Performing 95.3 96.6 1.3 97.4 1033Met Target
High needs 91.1 92.4 1.3 93.1 663Met Target
Econ. Disadvantaged 88.1 96.3 8.2 90.4 274Exceeded Target
EL and Former EL---- 16--
Students w/ disabilities 89.0 86.1 -2.9 91.6 360Declined
Amer. Ind. or Alaska Nat.---- 1--
Asian 99.8 99.6 -0.2 100.0 1424Exceeded Target
Afr. Amer./Black---- 7--
Hispanic/Latino---- 11--
Multi-race, Non-Hisp./Lat.---- 22--
Nat. Haw. or Pacif. Isl.-------
White 99.3 98.4 -0.9 100.0 2384Exceeded Target

Science achievement - MCAS Composite Performance Index (CPI) - High school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 98.3 99.1 0.8 100.0 4084Exceeded Target
Lowest Performing 93.7 96.4 2.7 96.0 1053Met Target
High needs 92.2 94.8 2.6 94.8 623Met Target
Econ. Disadvantaged---- 26--
EL and Former EL---- 14--
Students w/ disabilities 89.5 90.2 0.7 92.0 333Met Target
Amer. Ind. or Alaska Nat.---- 1--
Asian 99.6 99.6 0.0 100.0 1394Exceeded Target
Afr. Amer./Black---- 8--
Hispanic/Latino---- 10--
Multi-race, Non-Hisp./Lat.---- 20--
Nat. Haw. or Pacif. Isl.-------
White 98.6 98.8 0.2 100.0 2304Exceeded Target

English language arts growth - High school
Group 2019 Mean SGP N Points Reason
All Students 59.2 4013Typical Growth - High
Lowest Performing 46.2 992Typical Growth - Low
High needs 52.4 613Typical Growth - High
Econ. Disadvantaged 55.5 273Typical Growth - High
EL and Former EL- 15--
Students w/ disabilities 46.5 312Typical Growth - Low
Amer. Ind. or Alaska Nat.- 1--
Asian 60.6 1374Exceeded Typical Growth
Afr. Amer./Black- 8--
Hispanic/Latino- 10--
Multi-race, Non-Hisp./Lat.- 19--
Nat. Haw. or Pacif. Isl.----
White 57.6 2263Typical Growth - High

Mathematics growth - High school
Group 2019 Mean SGP N Points Reason
All Students 57.6 4003Typical Growth - High
Lowest Performing 46.7 982Typical Growth - Low
High needs 53.5 603Typical Growth - High
Econ. Disadvantaged 51.0 263Typical Growth - High
EL and Former EL- 15--
Students w/ disabilities 50.8 313Typical Growth - High
Amer. Ind. or Alaska Nat.- 1--
Asian 62.3 1364Exceeded Typical Growth
Afr. Amer./Black- 7--
Hispanic/Latino- 10--
Multi-race, Non-Hisp./Lat.- 20--
Nat. Haw. or Pacif. Isl.----
White 55.2 2263Typical Growth - High

Four-year cohort graduation rate - High school
Group 2017 Rate (%) 2018 Rate (%) Change Target (%) N Points Reason
All Students 97.4 98.0 0.6 98.5 4493Met Target
Lowest Performing-------
High needs 91.7 93.0 1.3 94.9 1142Improved Below Target
Econ. Disadvantaged 90.0 91.5 1.5 93.6 472Improved Below Target
EL and Former EL---- 9--
Students w/ disabilities 90.9 94.7 3.8 94.8 753Met Target
Amer. Ind. or Alaska Nat.---- 1--
Asian 100.0 99.1 -0.9 100.0 1174Exceeded Target
Afr. Amer./Black---- 9--
Hispanic/Latino---- 17--
Multi-race, Non-Hisp./Lat.---- 24--
Nat. Haw. or Pacif. Isl.-------
White 97.2 98.6 1.4 98.6 2814Exceeded Target

Extended engagement rate - High school
Group 2016 Rate (%) 2017 Rate (%) Change Target (%) N Points Reason
All Students 98.7 98.3 -0.4 99.7 4673Met Target
Lowest Performing-------
High needs 96.3 95.0 -1.3 98.9 1203Met Target
Econ. Disadvantaged 90.7 94.0 3.3 94.3 503Met Target
EL and Former EL---- 9--
Students w/ disabilities 96.0 94.3 -1.7 99.5 880Declined
Amer. Ind. or Alaska Nat.---- 1--
Asian 99.1 100.0 0.9 100.0 1154Exceeded Target
Afr. Amer./Black---- 5--
Hispanic/Latino---- 18--
Multi-race, Non-Hisp./Lat.---- 10--
Nat. Haw. or Pacif. Isl.-------
White 99.1 97.8 -1.3 100.0 3183Met Target

Annual dropout rate - High school
Group 2017 Rate (%) 2018 Rate (%) Change Target (%) N Points Reason
All Students 0.5 0.2 -0.3 1.0 1,8274Exceeded Target
Lowest Performing-------
High needs 2.0 1.1 -0.9 1.8 2714Exceeded Target
Econ. Disadvantaged 2.2 1.1 -1.1 2.0 874Exceeded Target
EL and Former EL---- 14--
Students w/ disabilities 2.8 0.6 -2.2 2.5 1794Exceeded Target
Amer. Ind. or Alaska Nat.---- 4--
Asian 0.0 0.0 0.0 1.0 5594Exceeded Target
Afr. Amer./Black---- 37--
Hispanic/Latino---- 59--
Multi-race, Non-Hisp./Lat.---- 80--
Nat. Haw. or Pacif. Isl.-------
White 0.6 0.2 -0.4 1.0 1,0884Exceeded Target

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 - High school
Group 2018 Rate (%) 2019 Rate (%) Change Target N Points Reason
All Students 5.0 4.0 -1.0 3.9 1,8464Exceeded Target
Lowest Performing 5.3 3.8 -1.5 1.3 1064Exceeded Target
High needs 11.8 10.9 -0.9 8.7 3292Improved Below Target
Econ. Disadvantaged 14.1 12.4 -1.7 9.9 1052Improved Below Target
EL and Former EL---- 84--
Students w/ disabilities 13.9 14.3 0.4 10.0 1751No Change
Amer. Ind. or Alaska Nat.---- 3--
Asian 3.2 2.3 -0.9 1.3 5964Exceeded Target
Afr. Amer./Black---- 36--
Hispanic/Latino---- 81--
Multi-race, Non-Hisp./Lat.---- 86--
Nat. Haw. or Pacif. Isl.-------
White 5.6 4.1 -1.5 4.2 1,0444Exceeded Target

Advanced coursework completion - High school
Group 2018 Rate (%) 2019 Rate (%) Change Target N Points Reason
All Students 66.7 68.3 1.6 69.4 9382Improved Below Target
Lowest Performing-------
High needs 30.8 36.5 5.7 37.4 1593Met Target
Econ. Disadvantaged 39.7 51.5 11.8 47.4 684Exceeded Target
EL and Former EL---- 32--
Students w/ disabilities 18.9 15.1 -3.8 26.1 860Declined
Amer. Ind. or Alaska Nat.---- 2--
Asian 87.4 92.2 4.8 90.6 2954Exceeded Target
Afr. Amer./Black---- 19--
Hispanic/Latino---- 37--
Multi-race, Non-Hisp./Lat.---- 35--
Nat. Haw. or Pacif. Isl.-------
White 59.8 60.2 0.4 62.6 5502Improved Below 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 429 429100Yes 1 428 427100Yes 1 429 428100Yes 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 71 71 71 70 71 71 213 212100Yes1
Econ. Disadvantaged 30 30 30 29 30 30 90 8999Yes1
EL and Former EL 18 18 18 18 18 18 54----
Students w/ disabilities 36 36 36 36 36 36 108 108100Yes1
Amer. Ind. or Alaska Nat. 1 1 1 1 1 1 3----
Asian 145 145 144 144 144 143 433 432100Yes1
Afr. Amer./Black 8 8 8 7 8 8 24----
Hispanic/Latino 15 15 15 15 15 15 45----
Multi-race, Non-Hisp./Lat. 21 21 22 22 22 22 65 65100Yes1
Nat. Haw. or Pacif. Isl.-----------
White 239 239 238 238 239 239 716 716100Yes1


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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