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Ottoson Middle
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2023
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2023 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
97% - Meeting or exceeding targets98

Overall progress toward improvement targets

 2023
Criterion-referenced target percentage97%
Progress towards targetsMeeting or exceeding targets

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 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

 2023
Criterion-referenced target percentage50%
Progress towards targetsSubstantial progress toward targets

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 Criterion-referenced target percentage50%

Detailed data for each indicator

English language arts achievement - MCAS average composite scaled score - Non-high school
Group 2022 Achievement 2023 Achievement Change 2023 Target N Points Reason
All Students 511.4 514.5 3.1 514.4 9024Recovery Path: Exceeded Target
Lowest Performing 485.8 491.1 5.3 490.0 1084Recovery Path: Exceeded Target
High needs 494.5 494.4 -0.1 496.8 2851Recovery Path: No Change
Low income 490.8 488.2 -2.6 493.4 930Recovery Path: Declined
EL and Former EL 489.9 490.1 0.2 492.4 572Recovery Path: Improved Below Target
Students w/ disabilities 489.8 492.3 2.5 491.1 2074Recovery Path: Exceeded Target
Amer. Ind. or Alaska Nat.---- 2--
Asian 517.8 515.8 -2.0 519.9 954Path Forward: Exceeded Target
Afr. Amer./Black 489.7 488.3 -1.4 491.9 370Path Forward: Declined
Hispanic/Latino 503.0 502.7 -0.3 506.1 623Recovery Path: Met Target
Multi-race, Non-Hisp./Lat. 514.2 515.1 0.9 517.8 604Recovery Path: Exceeded Target
Nat. Haw. or Pacif. Isl.---- 3--
White 512.5 516.8 4.3 516.0 6434Recovery Path: Exceeded Target

Mathematics achievement - MCAS average composite scaled score - Non-high school
Group 2022 Achievement 2023 Achievement Change 2023 Target N Points Reason
All Students 513.3 511.5 -1.8 514.8 9024Path Forward: Exceeded Target
Lowest Performing 487.2 492.5 5.3 491.2 1084Recovery Path: Exceeded Target
High needs 496.7 496.3 -0.4 498.0 2841Recovery Path: No Change
Low income 491.4 490.9 -0.5 494.0 931Recovery Path: No Change
EL and Former EL 500.2 500.9 0.7 503.2 582Path Forward: Improved Below Target
Students w/ disabilities 491.8 492.4 0.6 495.0 2053Path Forward: Met Target
Amer. Ind. or Alaska Nat.---- 2--
Asian 524.9 521.3 -3.6 527.9 964Path Forward: Exceeded Target
Afr. Amer./Black 487.9 487.1 -0.8 490.9 370Path Forward: Declined
Hispanic/Latino 503.9 500.5 -3.4 506.8 623Path Forward: Met Target
Multi-race, Non-Hisp./Lat. 515.0 513.9 -1.1 517.4 614Recovery Path: Exceeded Target
Nat. Haw. or Pacif. Isl.---- 3--
White 514.2 512.2 -2.0 515.9 6414Path Forward: Exceeded Target

Science achievement - MCAS average composite scaled score - Non-high school
Group 2022 Achievement 2023 Achievement Change 2023 Target N Points Reason
All Students 513.0 513.0 0.0 514.9 4564Recovery Path: Exceeded Target
Lowest Performing-------
High needs 495.9 497.0 1.1 499.4 1293Path Forward: Met Target
Low income 490.9 492.1 1.2 493.3 462Recovery Path: Improved Below Target
EL and Former EL 496.8 494.6 -2.2 501.0 223Path Forward: Met Target
Students w/ disabilities 490.8 495.0 4.2 495.0 963Path Forward: Met Target
Amer. Ind. or Alaska Nat.---- 2--
Asian 520.4 517.0 -3.4 522.6 484Path Forward: Exceeded Target
Afr. Amer./Black 489.3 489.8 0.5 493.3 202Path Forward: Improved Below Target
Hispanic/Latino 504.7 506.3 1.6 509.3 343Path Forward: Met Target
Multi-race, Non-Hisp./Lat. 514.4 515.2 0.8 515.9 324Recovery Path: Exceeded Target
Nat. Haw. or Pacif. Isl.---- 1--
White 514.7 514.4 -0.3 516.2 3194Recovery Path: Exceeded Target

English language arts growth - Non-high school
Group 2023 Mean SGP N Points Reason
All Students 61.6 8584Exceeded Typical Growth
Lowest Performing 55.5 1083Typical Growth - High
High needs 55.2 2593Typical Growth - High
Low income 50.3 843Typical Growth - High
EL and Former EL 62.4 474Exceeded Typical Growth
Students w/ disabilities 54.7 1923Typical Growth - High
Amer. Ind. or Alaska Nat.- 2--
Asian 60.3 874Exceeded Typical Growth
Afr. Amer./Black 53.3 343Typical Growth - High
Hispanic/Latino 54.8 553Typical Growth - High
Multi-race, Non-Hisp./Lat. 62.2 564Exceeded Typical Growth
Nat. Haw. or Pacif. Isl.- 3--
White 62.7 6214Exceeded Typical Growth

Mathematics growth - Non-high school
Group 2023 Mean SGP N Points Reason
All Students 59.6 8593Typical Growth - High
Lowest Performing 61.1 1084Exceeded Typical Growth
High needs 58.5 2573Typical Growth - High
Low income 57.7 843Typical Growth - High
EL and Former EL 62.5 474Exceeded Typical Growth
Students w/ disabilities 56.8 1913Typical Growth - High
Amer. Ind. or Alaska Nat.- 2--
Asian 61.2 874Exceeded Typical Growth
Afr. Amer./Black 57.9 333Typical Growth - High
Hispanic/Latino 57.1 583Typical Growth - High
Multi-race, Non-Hisp./Lat. 55.4 573Typical Growth - High
Nat. Haw. or Pacif. Isl.- 3--
White 60.1 6194Exceeded Typical Growth

Progress toward attaining English language proficiency - Non-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 - Non-high school
Group 2022 Rate (%) 2023 Rate (%) Change Target N Points Reason
All Students 11.0 9.6 -1.4 9.9 9313Met Target
Lowest Performing 14.8 12.0 -2.8 11.1 1083Met Target
High needs 21.8 17.2 -4.6 19.7 3034Exceeded Target
Low income 26.4 20.2 -6.2 22.1 1044Exceeded Target
EL and Former EL 13.6 16.2 2.6 10.6 740Declined
Students w/ disabilities 28.3 18.5 -9.8 25.8 2054Exceeded Target
Amer. Ind. or Alaska Nat.---- 2--
Asian 3.3 4.0 0.7 1.2 1004Exceeded Target
Afr. Amer./Black 20.9 8.1 -12.8 17.9 374Exceeded Target
Hispanic/Latino 19.0 18.8 -0.2 14.8 692Improved Below Target
Multi-race, Non-Hisp./Lat. 17.2 7.7 -9.5 16.1 654Exceeded Target
Nat. Haw. or Pacif. Isl.---- 3--
White 9.9 9.8 -0.1 8.7 6553Met 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 927 91899Yes 1 927 91899Yes 1 473 46498Yes 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 304 299 304 298 141 136 749 73398Yes1
Low income 103 99 103 99 53 49 259 24795Yes1
EL and Former EL 71 70 71 71 28 28 170 16999Yes1
Students w/ disabilities 209 207 209 205 99 96 517 50898Yes1
Amer. Ind. or Alaska Nat. 2 2 2 2 2 2 6----
Asian 99 98 99 99 50 50 248 247100Yes1
Afr. Amer./Black 37 37 37 37 20 20 94 94100Yes1
Hispanic/Latino 68 67 68 67 39 37 175 17198Yes1
Multi-race, Non-Hisp./Lat. 64 62 64 63 33 32 161 15798Yes1
Nat. Haw. or Pacif. Isl. 3 3 3 3 1 1 7----
White 654 649 654 647 328 322 1,636 1,61899Yes1


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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