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Ottoson Middle
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2024
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2024 Official Accountability Report - Ottoson Middle
Organization Information
DISTRICT NAME
Arlington (00100000)		TITLE I STATUS
Non-Title I School
SCHOOL
Ottoson Middle (00100410)		GRADES SERVED
07,08
REGION
Coastal		FEDERAL DESIGNATION
-

Accountability Information

Overall classificationNot requiring assistance or intervention
Reason for classification
Meeting or exceeding targets
Progress toward improvement targetsAccountability percentile
90% - Meeting or exceeding targets95

Overall progress toward improvement targets

 20232024
Annual criterion-referenced target percentage97%86%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2023 x 40%) + (2024 x 60%)		90%
Meeting or exceeding targets

2024 Points awarded

2024 Progress toward improvement targets
Indicator All students
(Non-high school grades)		 Lowest performing students
(Non-high school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement44-34-
Mathematics achievement44-34-
Science achievement44----
Achievement total121267.56867.5
GrowthEnglish language arts growth44-34-
Mathematics growth44-34-
Growth total8822.56822.5
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 absenteeism14-34-
Advanced coursework completion------
Additional indicators total1410.03410.0
Weighted total10.010.3-5.77.6-
Percentage of possible points 97%-75%-
2024 Annual criterion-referenced target percentage86%

2023 Points awarded

2023 Progress toward improvement targets
Indicator All students
(Non-high school grades)		 Lowest performing students
(Non-high school grades)
Points earned Total possible points Weight % Points earned Total possible points Weight %
AchievementEnglish language arts achievement44-44-
Mathematics achievement44-44-
Science achievement44----
Achievement total121267.58867.5
GrowthEnglish language arts growth44-34-
Mathematics growth34-44-
Growth total7822.57822.5
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 absenteeism34-34-
Advanced coursework completion------
Additional indicators total3410.03410.0
Weighted total10.010.3-7.37.6-
Percentage of possible points 97%-96%-
2023 Annual criterion-referenced target percentage97%

Student group percentile

This group's overall performance relative to the performance of the same student group in schools serving similar grades
94

Overall progress toward improvement targets

 20232024
Annual criterion-referenced target percentage50%49%
Weight40%60%
Cumulative Criterion-referenced target percentage
(2023 x 40%) + (2024 x 60%)		49%
Moderate progress toward targets

2024 Points awarded

2024 Progress toward improvement targets
Indicator High needs Student Group
(Non-high school grades)
Points earned Total possible points Weight %
AchievementEnglish language arts achievement04-
Mathematics achievement24-
Science achievement34-
Achievement total51267.5
GrowthEnglish language arts growth34-
Mathematics growth44-
Growth total7822.5
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 absenteeism04-
Advanced coursework completion---
Additional indicators total0410.0
Weighted total5.010.3-
Percentage of possible points 49%-
2024 Annual criterion-referenced target percentage49%

2023 Points awarded

2023 Progress toward improvement targets
Indicator High needs Student Group
(Non-high school grades)
Points earned Total possible points Weight %
AchievementEnglish language arts achievement14-
Mathematics achievement14-
Science achievement34-
Achievement total51267.5
GrowthEnglish language arts growth34-
Mathematics growth34-
Growth total6822.5
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 absenteeism44-
Advanced coursework completion---
Additional indicators total4410.0
Weighted total5.110.3-
Percentage of possible points 50%-
2023 Annual criterion-referenced target percentage50%

Detailed data for each indicator

English language arts achievement - MCAS average composite scaled score - Non-high school
Group 2023 Achievement 2024 Achievement Change 2024 Target N Points Reason
All Students 514.5 512.8 -1.7 515.9 9174Path Forward: Exceeded Target
Lowest Performing 481.7 486.2 4.5 486.1 1063Recovery Path: Met Target
High needs 494.4 492.7 -1.7 496.7 2860Recovery Path: Declined
Low income 488.2 487.9 -0.3 490.8 1031Recovery Path: No Change
EL and Former EL 490.1 487.9 -2.2 492.6 670Recovery Path: Declined
Students w/ disabilities 492.3 488.8 -3.5 494.7 1903Path Forward: Met Target
Amer. Ind. or Alaska Nat.-------
Asian 515.8 518.6 2.8 517.9 1324Path Forward: Exceeded Target
Afr. Amer./Black 488.3 489.6 1.3 490.5 302Path Forward: Improved Below Target
Hispanic/Latino 502.7 497.0 -5.7 505.8 693Recovery Path: Met Target
Multi-race, Non-Hisp./Lat. 515.1 512.3 -2.8 518.7 464Recovery Path: Exceeded Target
Nat. Haw. or Pacif. Isl.---- 2--
White 516.8 514.4 -2.4 518.3 6384Path Forward: Exceeded Target

Mathematics achievement - MCAS average composite scaled score - Non-high school
Group 2023 Achievement 2024 Achievement Change 2024 Target N Points Reason
All Students 511.5 513.4 1.9 513.0 9174Path Forward: Exceeded Target
Lowest Performing 484.0 488.5 4.5 488.8 1053Recovery Path: Met Target
High needs 496.3 496.9 0.6 497.6 2832Recovery Path: Improved Below Target
Low income 490.9 492.9 2.0 493.5 1032Recovery Path: Improved Below Target
EL and Former EL 500.9 500.2 -0.7 503.9 650Path Forward: Declined
Students w/ disabilities 492.4 491.6 -0.8 495.6 1883Path Forward: Met Target
Amer. Ind. or Alaska Nat.-------
Asian 521.3 525.6 4.3 524.3 1314Path Forward: Exceeded Target
Afr. Amer./Black 487.1 490.1 3.0 490.1 293Path Forward: Met Target
Hispanic/Latino 500.5 501.5 1.0 503.4 703Path Forward: Met Target
Multi-race, Non-Hisp./Lat. 513.9 515.1 1.2 516.3 464Recovery Path: Exceeded Target
Nat. Haw. or Pacif. Isl.---- 2--
White 512.2 513.1 0.9 513.9 6394Path Forward: Exceeded Target

Science achievement - MCAS average composite scaled score - Non-high school
Group 2023 Achievement 2024 Achievement Change 2024 Target N Points Reason
All Students 513.0 512.8 -0.2 514.9 4374Recovery Path: Exceeded Target
Lowest Performing---- 106--
High needs 497.0 496.9 -0.1 500.5 1433Path Forward: Met Target
Low income 492.1 486.8 -5.3 494.5 460Recovery Path: Declined
EL and Former EL 494.6 495.1 0.5 498.8 343Path Forward: Met Target
Students w/ disabilities 495.0 495.3 0.3 499.2 983Path Forward: Met Target
Amer. Ind. or Alaska Nat.-------
Asian 517.0 516.7 -0.3 519.2 494Path Forward: Exceeded Target
Afr. Amer./Black---- 15--
Hispanic/Latino 506.3 498.0 -8.3 510.9 273Path Forward: Met Target
Multi-race, Non-Hisp./Lat. 515.2 514.2 -1.0 516.7 324Recovery Path: Exceeded Target
Nat. Haw. or Pacif. Isl.---- 2--
White 514.4 514.5 0.1 515.9 3124Recovery Path: Exceeded Target

English language arts growth - Non-high school
Group 2024 Mean SGP N Points Reason
All Students 61.9 8884Exceeded Typical Growth
Lowest Performing 55.1 1063Typical Growth - High
High needs 56.2 2663Typical Growth - High
Low income 52.6 923Typical Growth - High
EL and Former EL 57.8 543Typical Growth - High
Students w/ disabilities 53.5 1833Typical Growth - High
Amer. Ind. or Alaska Nat.----
Asian 70.0 1244Exceeded Typical Growth
Afr. Amer./Black 51.7 293Typical Growth - High
Hispanic/Latino 54.8 633Typical Growth - High
Multi-race, Non-Hisp./Lat. 62.8 424Exceeded Typical Growth
Nat. Haw. or Pacif. Isl.- 2--
White 61.5 6284Exceeded Typical Growth

Mathematics growth - Non-high school
Group 2024 Mean SGP N Points Reason
All Students 62.6 8944Exceeded Typical Growth
Lowest Performing 56.5 1053Typical Growth - High
High needs 60.4 2714Exceeded Typical Growth
Low income 57.6 943Typical Growth - High
EL and Former EL 67.6 604Exceeded Typical Growth
Students w/ disabilities 57.3 1833Typical Growth - High
Amer. Ind. or Alaska Nat.----
Asian 65.8 1264Exceeded Typical Growth
Afr. Amer./Black 57.2 283Typical Growth - High
Hispanic/Latino 68.3 674Exceeded Typical Growth
Multi-race, Non-Hisp./Lat. 58.8 433Typical Growth - High
Nat. Haw. or Pacif. Isl.- 2--
White 61.9 6284Exceeded Typical Growth

Progress toward attaining English language proficiency - Non-high school
Group 2023 Rate (%) 2024 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 - Non-high school
Group 2023 Rate (%) 2024 Rate (%) Change Target N Points Reason
All Students 9.6 9.9 0.3 8.5 9521No Change
Lowest Performing 16.4 13.2 -3.2 13.1 1063Met Target
High needs 17.2 18.2 1.0 15.1 3020Declined
Low income 20.2 25.9 5.7 15.9 1160Declined
EL and Former EL 16.2 14.1 -2.1 13.2 782Improved Below Target
Students w/ disabilities 18.5 20.3 1.8 16.0 1920Declined
Amer. Ind. or Alaska Nat.-------
Asian 4.0 8.3 4.3 1.9 1333Met Target
Afr. Amer./Black 8.1 15.6 7.5 5.1 320Declined
Hispanic/Latino 18.8 11.8 -7.0 14.6 764Exceeded Target
Multi-race, Non-Hisp./Lat. 7.7 8.0 0.3 6.6 503Met Target
Nat. Haw. or Pacif. Isl.---- 2--
White 9.8 9.9 0.1 8.6 6591No Change

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 940 93399Yes 1 939 93299Yes 1 446 44399Yes 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 299 298 298 294 149 147 746 73999Yes1
Low income 111 111 111 110 49 48 271 26999Yes1
EL and Former EL 75 75 73 73 38 38 186 186100Yes1
Students w/ disabilities 194 193 194 191 99 98 487 48299Yes1
Amer. Ind. or Alaska Nat.-----------
Asian 133 133 132 132 49 49 314 314100Yes1
Afr. Amer./Black 32 32 31 31 15 15 78 78100Yes1
Hispanic/Latino 72 71 72 72 28 28 172 17199Yes1
Multi-race, Non-Hisp./Lat. 49 49 49 49 34 34 132 132100Yes1
Nat. Haw. or Pacif. Isl. 2 2 2 2 2 2 6----
White 652 646 653 646 318 315 1,623 1,60799Yes1


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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