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Gibbs School
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2023 Official Accountability Report - Gibbs School
Organization Information
DISTRICT NAME
Arlington (00100000)		TITLE I STATUS
Non-Title I School
SCHOOL
Gibbs School (00100305)		GRADES SERVED
06
REGION
Coastal		FEDERAL DESIGNATION
-

Accountability Information

Overall classificationNot requiring assistance or intervention
Reason for classification
Meeting or exceeding targets
Progress toward improvement targetsAccountability percentile
75% - Meeting or exceeding targets88

Overall progress toward improvement targets

 2023
Criterion-referenced target percentage75%
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 achievement34----
Mathematics achievement34----
Science achievement------
Achievement total6867.5---
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 absenteeism34----
Advanced coursework completion------
Additional indicators total3410.0---
Weighted total5.77.6----
Percentage of possible points 75%---
2023 Criterion-referenced target percentage75%

Student group percentile

This group's overall performance relative to the performance of the same student group in schools serving similar grades
66

Overall progress toward improvement targets

 2023
Criterion-referenced target percentage18%
Progress towards targetsLimited or no 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 achievement04-
Mathematics achievement04-
Science achievement---
Achievement total0867.5
GrowthEnglish language arts growth24-
Mathematics growth34-
Growth total5822.5
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-
Advanced coursework completion---
Additional indicators total3410.0
Weighted total1.47.6-
Percentage of possible points 18%-
2023 Criterion-referenced target percentage18%

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 507.9 505.3 -2.6 511.6 4863Recovery Path: Met Target
Lowest Performing-------
High needs 491.0 484.1 -6.9 492.0 1400Recovery Path: Declined
Low income 483.4 479.3 -4.1 485.8 530Recovery Path: Declined
EL and Former EL 488.0 476.9 -11.1 491.2 280Recovery Path: Declined
Students w/ disabilities 489.2 481.8 -7.4 491.6 960Path Forward: Declined
Amer. Ind. or Alaska Nat.-------
Asian 509.5 511.2 1.7 511.8 794Recovery Path: Exceeded Target
Afr. Amer./Black---- 14--
Hispanic/Latino 497.0 489.4 -7.6 499.5 400Recovery Path: Declined
Multi-race, Non-Hisp./Lat.---- 14--
Nat. Haw. or Pacif. Isl.-------
White 510.0 506.8 -3.2 512.4 3393Recovery Path: Met Target

Mathematics achievement - MCAS average composite scaled score - Non-high school
Group 2022 Achievement 2023 Achievement Change 2023 Target N Points Reason
All Students 507.5 507.9 0.4 509.2 4883Recovery Path: Met Target
Lowest Performing-------
High needs 495.0 490.8 -4.2 497.5 1420Path Forward: Declined
Low income 487.6 487.8 0.2 489.5 532Recovery Path: Improved Below Target
EL and Former EL 498.2 487.9 -10.3 500.4 290Recovery Path: Declined
Students w/ disabilities 491.7 488.4 -3.3 494.9 980Path Forward: Declined
Amer. Ind. or Alaska Nat.-------
Asian 516.0 520.1 4.1 519.0 794Path Forward: Exceeded Target
Afr. Amer./Black---- 14--
Hispanic/Latino 494.0 494.4 0.4 497.1 402Recovery Path: Improved Below Target
Multi-race, Non-Hisp./Lat.---- 14--
Nat. Haw. or Pacif. Isl.-------
White 507.7 507.7 0.0 509.4 3413Recovery Path: Met Target

Science achievement - MCAS average composite scaled score - Non-high school
Group 2022 Achievement 2023 Achievement Change 2023 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-------

English language arts growth - Non-high school
Group 2023 Mean SGP N Points Reason
All Students 50.0 4633Typical Growth - High
Lowest Performing----
High needs 41.8 1312Typical Growth - Low
Low income 40.2 482Typical Growth - Low
EL and Former EL 42.1 232Typical Growth - Low
Students w/ disabilities 40.6 932Typical Growth - Low
Amer. Ind. or Alaska Nat.----
Asian 49.0 752Typical Growth - Low
Afr. Amer./Black- 14--
Hispanic/Latino 38.6 351Low Growth
Multi-race, Non-Hisp./Lat.- 9--
Nat. Haw. or Pacif. Isl.----
White 51.0 3303Typical Growth - High

Mathematics growth - Non-high school
Group 2023 Mean SGP N Points Reason
All Students 54.3 4633Typical Growth - High
Lowest Performing----
High needs 51.6 1313Typical Growth - High
Low income 45.6 482Typical Growth - Low
EL and Former EL 48.6 232Typical Growth - Low
Students w/ disabilities 49.8 942Typical Growth - Low
Amer. Ind. or Alaska Nat.----
Asian 55.2 763Typical Growth - High
Afr. Amer./Black- 14--
Hispanic/Latino 51.9 353Typical Growth - High
Multi-race, Non-Hisp./Lat.- 9--
Nat. Haw. or Pacif. Isl.----
White 54.5 3293Typical Growth - High

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 8.1 8.9 0.8 7.0 5173Met Target
Lowest Performing-------
High needs 15.1 13.0 -2.1 13.0 1623Met Target
Low income 25.5 14.3 -11.2 21.2 634Exceeded Target
EL and Former EL 8.5 9.1 0.6 5.5 443Met Target
Students w/ disabilities 20.6 16.8 -3.8 18.1 1014Exceeded Target
Amer. Ind. or Alaska Nat.-------
Asian 5.2 3.4 -1.8 3.1 884Exceeded Target
Afr. Amer./Black---- 14--
Hispanic/Latino 17.9 11.1 -6.8 13.7 454Exceeded Target
Multi-race, Non-Hisp./Lat.---- 15--
Nat. Haw. or Pacif. Isl.-------
White 7.4 8.7 1.3 6.2 3554Exceeded 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 505 50099Yes 1 503 501100Yes 1 0----

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 155 151 153 152 0- 308 30398Yes1
Low income 60 60 59 59 0- 119 119100Yes1
EL and Former EL 38 36 37 37 0- 75 7397Yes1
Students w/ disabilities 100 97 100 99 0- 200 19698Yes1
Amer. Ind. or Alaska Nat.-----------
Asian 85 84 84 84 0- 169 16899Yes1
Afr. Amer./Black 14 14 14 14 0- 28----
Hispanic/Latino 43 43 43 43 0- 86 86100Yes1
Multi-race, Non-Hisp./Lat. 15 15 15 15 0- 30----
Nat. Haw. or Pacif. Isl.-----------
White 348 344 347 345 0- 695 68999Yes1


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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