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Bridge Boston Charter School
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2019 Official Accountability Report - Bridge Boston Charter School
Organization Information
DISTRICT NAME
Bridge Boston Charter School (District) (04170000)		TITLE I STATUS
Title I School
SCHOOL
Bridge Boston Charter School (04170205)		GRADES SERVED
PK,K,01,02,03,04,05,06,07
REGION
Coastal		FEDERAL DESIGNATION
-

Overall progress toward improvement targets

 20182019
Annual criterion-referenced target percentage31%68%
Weight40%60%
Cumulative criterion-referenced target percentage
(2018 x 40%) + (2019 x 60%)		53%
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 achievement14-44-
Mathematics achievement04-44-
Science achievement44----
Achievement total51260.08867.5
GrowthEnglish language arts growth34-34-
Mathematics growth24-34-
Growth total5820.06822.5
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 absenteeism04-04-
Advanced coursework completion------
Additional indicators total0410.00410.0
Weighted total4.49.6-6.87.6-
Percentage of possible points 46%-90%-
Criterion-referenced target percentage68%

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 achievement04-04-
Science achievement04----
Achievement total41260.02867.5
GrowthEnglish language arts growth34-14-
Mathematics growth14-04-
Growth total4820.01822.5
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 total0410.0---
Additional indicatorsChronic absenteeism24-44-
Advanced coursework completion------
Additional indicators total2410.04410.0
Weighted total3.49.6-2.07.6-
Percentage of possible points 35%-26%-
Criterion-referenced target percentage31%

Overall progress toward improvement targets

 20182019
Annual criterion-referenced target percentage42%51%
Weight40%60%
Cumulative criterion-referenced target percentage
(2018 x 40%) + (2019 x 60%)		47%
Moderate 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 achievement24-
Mathematics achievement04-
Science achievement44-
Achievement total61267.5
GrowthEnglish language arts growth34-
Mathematics growth24-
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 absenteeism04-
Advanced coursework completion---
Additional indicators total0410.0
Weighted total5.210.3-
Percentage of possible points 51%-
2019 Annual criterion-referenced target percentage51%

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 achievement04-
Science achievement14-
Achievement total51267.5
GrowthEnglish language arts growth24-
Mathematics growth14-
Growth total3822.5
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 total4.310.3-
Percentage of possible points 42%-
2018 Annual criterion-referenced target percentage42%

Subgroup percentile

This group's overall performance relative to the performance of the same subgroup in schools serving similar grades
29

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 496.5 496.1 -0.4 498.4 1811No Change
Lowest Performing 471.0 477.7 6.7 476.1 324Exceeded Target
High needs 492.1 493.1 1.0 494.0 1542Improved Below Target
Econ. Disadvantaged 491.3 493.4 2.1 492.4 1194Exceeded Target
EL and Former EL 493.1 495.8 2.7 494.8 734Exceeded Target
Students w/ disabilities 479.6 477.5 -2.1 481.7 550Declined
Amer. Ind. or Alaska Nat.-------
Asian---- 2--
Afr. Amer./Black 497.3 496.8 -0.5 499.0 1111No Change
Hispanic/Latino 492.5 492.5 0.0 493.9 601No Change
Multi-race, Non-Hisp./Lat.---- 8--
Nat. Haw. or Pacif. Isl.-------
White-------

Mathematics achievement - MCAS average composite scaled score - Non-high school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 488.6 487.3 -1.3 490.2 1790Declined
Lowest Performing 462.1 469.3 7.2 465.8 324Exceeded Target
High needs 485.6 484.9 -0.7 487.6 1530Declined
Econ. Disadvantaged 484.4 485.2 0.8 486.2 1182Improved Below Target
EL and Former EL 489.6 487.1 -2.5 491.5 720Declined
Students w/ disabilities 471.7 473.1 1.4 474.0 552Improved Below Target
Amer. Ind. or Alaska Nat.-------
Asian---- 2--
Afr. Amer./Black 487.4 486.6 -0.8 489.4 1100Declined
Hispanic/Latino 488.1 486.5 -1.6 489.5 590Declined
Multi-race, Non-Hisp./Lat.---- 8--
Nat. Haw. or Pacif. Isl.-------
White-------

Science achievement - MCAS Composite Performance Index (CPI) - Non-high school
Group 2018 Achievement 2019 Achievement Change 2019 Target N Points Reason
All Students 49.3 62.5 13.2 52.4 404Exceeded Target
Lowest Performing-------
High needs 50.0 60.4 10.4 53.3 364Exceeded Target
Econ. Disadvantaged 50.9 62.0 11.1 54.0 274Exceeded Target
EL and Former EL---- 19--
Students w/ disabilities---- 12--
Amer. Ind. or Alaska Nat.-------
Asian---- 1--
Afr. Amer./Black 50.0 60.6 10.6 53.4 264Exceeded Target
Hispanic/Latino---- 13--
Multi-race, Non-Hisp./Lat.-------
Nat. Haw. or Pacif. Isl.-------
White-------

English language arts growth - Non-high school
Group 2019 Mean SGP N Points Reason
All Students 57.6 1383Typical Growth - High
Lowest Performing 57.8 323Typical Growth - High
High needs 56.0 1133Typical Growth - High
Econ. Disadvantaged 56.6 883Typical Growth - High
EL and Former EL 56.3 513Typical Growth - High
Students w/ disabilities 52.1 423Typical Growth - High
Amer. Ind. or Alaska Nat.----
Asian- 1--
Afr. Amer./Black 57.4 833Typical Growth - High
Hispanic/Latino 54.7 463Typical Growth - High
Multi-race, Non-Hisp./Lat.- 8--
Nat. Haw. or Pacif. Isl.----
White----

Mathematics growth - Non-high school
Group 2019 Mean SGP N Points Reason
All Students 48.2 1362Typical Growth - Low
Lowest Performing 50.4 323Typical Growth - High
High needs 46.4 1122Typical Growth - Low
Econ. Disadvantaged 45.7 872Typical Growth - Low
EL and Former EL 41.7 502Typical Growth - Low
Students w/ disabilities 48.3 422Typical Growth - Low
Amer. Ind. or Alaska Nat.----
Asian- 1--
Afr. Amer./Black 46.9 822Typical Growth - Low
Hispanic/Latino 47.6 452Typical Growth - Low
Multi-race, Non-Hisp./Lat.- 8--
Nat. Haw. or Pacif. Isl.----
White----

Progress toward attaining English language proficiency - Non-high school
Group 2018 Rate (%) 2019 Rate (%) Change Target N Points Reason
All Students 57.4 65.5 8.1 61.4 584Exceeded Target
Lowest Performing-------
High needs-------
Econ. Disadvantaged-------
EL and Former EL 57.4 65.5 8.1 61.4 584Exceeded Target
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 8.8 13.3 4.5 6.6 2640Declined
Lowest Performing 6.3 9.4 3.1 1.4 320Declined
High needs 10.2 14.5 4.3 7.7 2280Declined
Econ. Disadvantaged 12.1 15.9 3.8 9.4 1570Declined
EL and Former EL 8.8 12.5 3.7 5.5 1200Declined
Students w/ disabilities 14.1 14.9 0.8 9.8 740Declined
Amer. Ind. or Alaska Nat.-------
Asian---- 3--
Afr. Amer./Black 5.8 11.2 5.4 2.2 1700Declined
Hispanic/Latino 13.7 17.3 3.6 9.9 810Declined
Multi-race, Non-Hisp./Lat.---- 9--
Nat. Haw. or Pacif. Isl.-------
White---- 1--

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 181 181100Yes 1 179 179100Yes 1 40 40100Yes 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 154 154 153 153 36 36 343 343100Yes1
Econ. Disadvantaged 119 119 118 118 27 27 264 264100Yes1
EL and Former EL 73 73 72 72 19 19 164 164100Yes1
Students w/ disabilities 55 55 55 55 12 12 122 122100Yes1
Amer. Ind. or Alaska Nat.-----------
Asian 2 2 2 2 1 1 5----
Afr. Amer./Black 111 111 110 110 26 26 247 247100Yes1
Hispanic/Latino 60 60 59 59 13 13 132 132100Yes1
Multi-race, Non-Hisp./Lat. 8 8 8 8-- 16----
Nat. Haw. or Pacif. Isl.-----------
White-----------


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.


Resources
Interpretive Materials Interpretive Materials
Glossary of Accountability Terms Glossary of 2019 Accountability Terms

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