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2019 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
-

Overall progress toward improvement targets

 20182019
Annual criterion-referenced target percentage72%72%
Weight40%60%
Cumulative criterion-referenced target percentage
(2018 x 40%) + (2019 x 60%)		72%
Substantial progress toward targets

2019 Points awarded

2019 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 achievement44-24-
Mathematics achievement44-34-
Science achievement34----
Achievement total111267.55867.5
GrowthEnglish language arts growth34-24-
Mathematics growth34-34-
Growth total6822.55822.5
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 absenteeism04-04-
Advanced coursework completion------
Additional indicators total0410.00410.0
Weighted total8.810.3-4.57.6-
Percentage of possible points 85%-59%-
Criterion-referenced target percentage72%

2018 Points awarded

2018 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 achievement44-24-
Mathematics achievement34-34-
Science achievement24----
Achievement total91260.05867.5
GrowthEnglish language arts growth34-34-
Mathematics growth34-34-
Growth total6820.06822.5
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 total4410.0---
Additional indicatorsChronic absenteeism44-44-
Advanced coursework completion------
Additional indicators total4410.04410.0
Weighted total7.49.6-5.17.6-
Percentage of possible points 77%-67%-
Criterion-referenced target percentage72%

Overall progress toward improvement targets

 20182019
Annual criterion-referenced target percentage68%72%
Weight40%60%
Cumulative criterion-referenced target percentage
(2018 x 40%) + (2019 x 60%)		70%
Substantial progress toward targets

2019 Points awarded

2019 Progress toward improvement targets
Indicator High needs Subgroup
(Non-high school grades)
Points earned Total possible points Weight %
AchievementEnglish language arts achievement34-
Mathematics achievement44-
Science achievement24-
Achievement total91267.5
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 absenteeism04-
Advanced coursework completion---
Additional indicators total0410.0
Weighted total7.410.3-
Percentage of possible points 72%-
2019 Annual criterion-referenced target percentage72%

2018 Points awarded

2018 Progress toward improvement targets
Indicator High needs Subgroup
(Non-high school grades)
Points earned Total possible points Weight %
AchievementEnglish language arts achievement44-
Mathematics achievement34-
Science achievement14-
Achievement total81267.5
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 absenteeism24-
Advanced coursework completion---
Additional indicators total2410.0
Weighted total7.010.3-
Percentage of possible points 68%-
2018 Annual criterion-referenced target percentage68%

Subgroup percentile

This group's overall performance relative to the performance of the same subgroup in schools serving similar grades
78

Detailed data for each indicator

English language arts achievement - MCAS average composite scaled score - Non-high school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 512.9 514.4 1.5 513.9 8294Exceeded Target
Lowest Performing 487.4 490.0 2.6 491.5 1932Improved Below Target
High needs 495.8 496.8 1.0 496.8 2353Met Target
Econ. Disadvantaged 497.4 501.1 3.7 498.4 784Exceeded Target
EL and Former EL 498.0 494.8 -3.2 499.0 700Declined
Students w/ disabilities 489.6 491.1 1.5 490.6 1463Met Target
Amer. Ind. or Alaska Nat.-------
Asian 514.0 512.9 -1.1 515.0 893Met Target
Afr. Amer./Black 492.6 487.6 -5.0 493.8 280Declined
Hispanic/Latino 506.1 509.1 3.0 507.2 484Exceeded Target
Multi-race, Non-Hisp./Lat. 512.3 517.8 5.5 513.6 504Exceeded Target
Nat. Haw. or Pacif. Isl.---- 2--
White 514.3 516.0 1.7 515.3 6124Exceeded Target

Mathematics achievement - MCAS average composite scaled score - Non-high school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 509.6 513.7 4.1 510.6 8294Exceeded Target
Lowest Performing 488.0 491.2 3.2 491.2 1943Met Target
High needs 495.3 499.2 3.9 496.6 2364Exceeded Target
Econ. Disadvantaged 492.2 499.2 7.0 493.7 784Exceeded Target
EL and Former EL 497.7 501.0 3.3 499.2 704Exceeded Target
Students w/ disabilities 490.1 493.5 3.4 491.9 1474Exceeded Target
Amer. Ind. or Alaska Nat.-------
Asian 513.7 516.6 2.9 515.8 894Exceeded Target
Afr. Amer./Black 488.2 489.3 1.1 489.7 283Met Target
Hispanic/Latino 499.6 507.3 7.7 501.5 484Exceeded Target
Multi-race, Non-Hisp./Lat. 510.9 517.4 6.5 512.2 514Exceeded Target
Nat. Haw. or Pacif. Isl.---- 2--
White 510.8 514.7 3.9 511.8 6114Exceeded Target

Science achievement - MCAS Composite Performance Index (CPI) - Non-high school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 85.1 85.8 0.7 87.3 4023Met Target
Lowest Performing-------
High needs 65.8 67.8 2.0 69.1 1112Improved Below Target
Econ. Disadvantaged 59.3 69.2 9.9 62.5 394Exceeded Target
EL and Former EL 65.0 67.0 2.0 68.1 253Met Target
Students w/ disabilities 61.2 63.0 1.8 64.2 733Met Target
Amer. Ind. or Alaska Nat.-------
Asian 84.6 86.2 1.6 86.7 383Met Target
Afr. Amer./Black---- 18--
Hispanic/Latino 64.3 77.4 13.1 69.0 214Exceeded Target
Multi-race, Non-Hisp./Lat. 81.3 87.1 5.8 83.8 314Exceeded Target
Nat. Haw. or Pacif. Isl.-------
White 87.8 88.5 0.7 89.7 2943Met Target

English language arts growth - Non-high school
Group 2019 Mean SGP N Points Reason
All Students 56.3 7983Typical Growth - High
Lowest Performing 49.3 1932Typical Growth - Low
High needs 51.2 2183Typical Growth - High
Econ. Disadvantaged 51.4 723Typical Growth - High
EL and Former EL 49.9 582Typical Growth - Low
Students w/ disabilities 49.5 1412Typical Growth - Low
Amer. Ind. or Alaska Nat.----
Asian 58.2 843Typical Growth - High
Afr. Amer./Black 40.9 272Typical Growth - Low
Hispanic/Latino 52.4 473Typical Growth - High
Multi-race, Non-Hisp./Lat. 66.3 474Exceeded Typical Growth
Nat. Haw. or Pacif. Isl.- 1--
White 56.2 5923Typical Growth - High

Mathematics growth - Non-high school
Group 2019 Mean SGP N Points Reason
All Students 59.7 7963Typical Growth - High
Lowest Performing 58.0 1913Typical Growth - High
High needs 57.1 2173Typical Growth - High
Econ. Disadvantaged 54.1 723Typical Growth - High
EL and Former EL 59.6 593Typical Growth - High
Students w/ disabilities 57.0 1393Typical Growth - High
Amer. Ind. or Alaska Nat.----
Asian 61.3 844Exceeded Typical Growth
Afr. Amer./Black 52.4 273Typical Growth - High
Hispanic/Latino 57.5 473Typical Growth - High
Multi-race, Non-Hisp./Lat. 63.1 494Exceeded Typical Growth
Nat. Haw. or Pacif. Isl.- 1--
White 59.6 5883Typical Growth - High

Progress toward attaining English language proficiency - Non-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 - Non-high school
Group 2018 Rate (%) 2019 Rate (%) Change Target N Points Reason
All Students 2.5 8.6 6.1 1.4 8650Declined
Lowest Performing 1.5 12.4 10.9 0.0 1940Declined
High needs 5.8 16.8 11.0 3.7 2620Declined
Econ. Disadvantaged 14.2 21.5 7.3 9.9 790Declined
EL and Former EL 3.2 12.0 8.8 0.2 830Declined
Students w/ disabilities 4.8 15.1 10.3 2.3 1590Declined
Amer. Ind. or Alaska Nat.-------
Asian 0.7 7.4 6.7 0.0 950Declined
Afr. Amer./Black 8.2 6.9 -1.3 5.2 292Improved Below Target
Hispanic/Latino 9.2 3.9 -5.3 5.0 514Exceeded Target
Multi-race, Non-Hisp./Lat. 5.3 18.5 13.2 4.2 540Declined
Nat. Haw. or Pacif. Isl.---- 2--
White 1.7 8.4 6.7 0.5 6340Declined

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 851 848100Yes 1 852 849100Yes 1 413 412100Yes 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 254 251 255 253 121 120 630 62499Yes1
Econ. Disadvantaged 84 83 85 84 43 43 212 21099Yes1
EL and Former EL 81 81 81 81 31 31 193 193100Yes1
Students w/ disabilities 154 151 154 152 76 75 384 37898Yes1
Amer. Ind. or Alaska Nat.-----------
Asian 93 93 93 93 40 39 226 225100Yes1
Afr. Amer./Black 29 29 29 29 19 19 77 77100Yes1
Hispanic/Latino 50 50 50 50 22 22 122 122100Yes1
Multi-race, Non-Hisp./Lat. 55 54 55 55 33 33 143 14299Yes1
Nat. Haw. or Pacif. Isl. 2 2 2 2-- 4----
White 622 620 623 620 299 299 1,544 1,539100Yes1


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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Glossary of Accountability Terms Glossary of 2019 Accountability Terms

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