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Boston Latin School
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2014 Accountability Data - Boston Latin
Organization Information
District:Boston (00350000)School type:Middle-High School or K-12
School:Boston Latin (00350560)Grades served:07,08,09,10,11,12
Region:Commissioner's DistrictsTitle I status:Title I School (SW)
Accountability and Assistance Level:Level 1
 Summary > 2014
2014 English Language Arts Proficiency Gap Narrowing
  0 10 20 30 40 50 60 70 80 90 100 Baseline CPI 2013 CPI 2014 CPI CPI Change 2014 Target 6 Year Goal Percentile in School Type N PPI Points Rating
All studentsCPI = 99.8, Target = 99.8CPI = 99.8, Target = 99.8 99.7 99.8 99.8 0.0 99.8 99.9 981214100Above Target
High needsCPI = 99.9, Target = 100CPI = 99.9, Target = 100 100.0 99.9 99.9 0.0 100.0 100.0 98419100Above Target
Low incomeCPI = 100, Target = 100CPI = 100, Target = 100 100.0 99.9 100.0 0.1 100.0 100.0 98400100Above Target
EL and Former EL -------26--
Students w/ disabilities -------10--
Amer. Ind. or Alaska Nat. ----------
AsianCPI = 99.9, Target = 100CPI = 99.9, Target = 100 100.0 100.0 99.9 -0.1 100.0 100.0 91341100Above Target
Afr. Amer./BlackCPI = 100, Target = 99.9CPI = 100, Target = 99.9 99.8 100.0 100.0 0.0 99.9 99.9 96114100Above Target
Hispanic/LatinoCPI = 99.8, Target = 99.6CPI = 99.8, Target = 99.6 99.5 99.8 99.8 0.0 99.6 99.8 97138100Above Target
Multi-race, Non-Hisp./Lat.CPI = 99.3, Target = 100CPI = 99.3, Target = 100 100.0 100.0 99.3 -0.7 100.0 100.0 8536100Above Target
Nat. Haw. or Pacif. Isl. -------1--
WhiteCPI = 99.7, Target = 99.7CPI = 99.7, Target = 99.7 99.6 99.7 99.7 0.0 99.7 99.8 98584100Above Target
Summary > 2014
2014 Mathematics Proficiency Gap Narrowing
  0 10 20 30 40 50 60 70 80 90 100 Baseline CPI 2013 CPI 2014 CPI CPI Change 2014 Target 6 Year Goal Percentile in School Type N PPI Points Rating
All studentsCPI = 98.2, Target = 98.4CPI = 98.2, Target = 98.4 97.9 98.5 98.2 -0.3 98.4 99.0 981212100Above Target
High needsCPI = 98.3, Target = 98.8CPI = 98.3, Target = 98.8 98.4 98.8 98.3 -0.5 98.8 99.2 98418100Above Target
Low incomeCPI = 98.7, Target = 99CPI = 98.7, Target = 99 98.7 98.8 98.7 -0.1 99.0 99.4 98399100Above Target
EL and Former EL -------26--
Students w/ disabilities -------10--
Amer. Ind. or Alaska Nat. ----------
AsianCPI = 99.9, Target = 99.8CPI = 99.9, Target = 99.8 99.7 99.8 99.9 0.1 99.8 99.9 91340100Above Target
Afr. Amer./BlackCPI = 98, Target = 97.6CPI = 98, Target = 97.6 96.8 97.5 98.0 0.5 97.6 98.4 96114100Above Target
Hispanic/LatinoCPI = 95.8, Target = 97.6CPI = 95.8, Target = 97.6CPI = 95.8, Target = 97.6 96.8 98.7 95.8 -2.9 97.6 98.4 97138100Above Target
Multi-race, Non-Hisp./Lat.CPI = 99.3, Target = 97CPI = 99.3, Target = 97CPI = 99.3, Target = 97 96.0 97.6 99.3 1.7 97.0 98.0 8536100Above Target
Nat. Haw. or Pacif. Isl. -------1--
WhiteCPI = 97.8, Target = 98.1CPI = 97.8, Target = 98.1 97.4 98.1 97.8 -0.3 98.1 98.7 98583100Above Target
Summary > 2014
2014 Science Proficiency Gap Narrowing
  0 10 20 30 40 50 60 70 80 90 100 Baseline CPI 2013 CPI 2014 CPI CPI Change 2014 Target 6 Year Goal Percentile in School Type N PPI Points Rating
All studentsCPI = 89.3, Target = 89.7CPI = 89.3, Target = 89.7 86.3 89.8 89.3 -0.5 89.7 93.2 91813100Above Target
High needsCPI = 89.2, Target = 88.4CPI = 89.2, Target = 88.4 84.5 89.3 89.2 -0.1 88.4 92.3 97300100Above Target
Low incomeCPI = 89.6, Target = 88.5CPI = 89.6, Target = 88.5CPI = 89.6, Target = 88.5 84.6 89.4 89.6 0.2 88.5 92.3 96289100Above Target
EL and Former EL -------18--
Students w/ disabilities -------6--
Amer. Ind. or Alaska Nat. ----------
AsianCPI = 93.3, Target = 91.5CPI = 93.3, Target = 91.5CPI = 93.3, Target = 91.5 88.6 93.3 93.3 0.0 91.5 94.3 71229100Above Target
Afr. Amer./BlackCPI = 85.3, Target = 88CPI = 85.3, Target = 88CPI = 85.3, Target = 88 84.0 84.3 85.3 1.0 88.0 92.0 888750Improved Below Target
Hispanic/LatinoCPI = 85.9, Target = 85CPI = 85.9, Target = 85 80.0 86.8 85.9 -0.9 85.0 90.0 889975On Target
Multi-race, Non-Hisp./Lat. -------22--
Nat. Haw. or Pacif. Isl. -------1--
WhiteCPI = 88.7, Target = 89.9CPI = 88.7, Target = 89.9CPI = 88.7, Target = 89.9 86.5 89.6 88.7 -0.9 89.9 93.3 7837575On Target
Summary > 2014
2014 English Language Arts Extra Credit
  Extra credit for increasing % Advanced (10% or more) Extra credit for decreasing % Warning/Failing (10% or more)
2013
% Advanced		 2014
% Advanced		 N PPI Points 2013
% Warning/Failing		 2014
% Warning/Failing		 N PPI Points
All students 38.4 35.612140 0.0 0.0121425
High needs 37.6 36.84190 0.0 0.041925
Low income 38.9 37.84000 0.0 0.040025
EL and Former EL--26---26-
Students w/ disabilities--10---10-
Amer. Ind. or Alaska Nat.--------
Asian 49.8 48.13410 0.0 0.034125
Afr. Amer./Black 22.9 34.211425 0.0 0.011425
Hispanic/Latino 34.6 29.01380 0.0 0.013825
Multi-race, Non-Hisp./Lat. 46.3 30.6360 0.0 0.03625
Nat. Haw. or Pacif. Isl.--1---1-
White 35.8 30.35840 0.0 0.058425
Summary > 2014
2014 Mathematics Extra Credit
  Extra credit for increasing % Advanced (10% or more) Extra credit for decreasing % Warning/Failing (10% or more)
2013
% Advanced		 2014
% Advanced		 N PPI Points 2013
% Warning/Failing		 2014
% Warning/Failing		 N PPI Points
All students 65.2 63.612120 0.2 0.212120
High needs 65.1 68.44180 0.0 0.24180
Low income 65.1 69.43990 0.0 0.039925
EL and Former EL--26---26-
Students w/ disabilities--10---10-
Amer. Ind. or Alaska Nat.--------
Asian 82.2 82.63400 0.0 0.034025
Afr. Amer./Black 50.5 53.51140 0.9 0.011425
Hispanic/Latino 60.8 57.21380 0.0 0.013825
Multi-race, Non-Hisp./Lat. 61.0 55.6360 0.0 0.03625
Nat. Haw. or Pacif. Isl.--1---1-
White 60.9 56.45830 0.2 0.35830
Summary > 2014
2014 Science Extra Credit
  Extra credit for increasing % Advanced (10% or more) Extra credit for decreasing % Warning/Failing (10% or more)
2013
% Advanced		 2014
% Advanced		 N PPI Points 2013
% Warning/Failing		 2014
% Warning/Failing		 N PPI Points
All students 33.8 34.78130 1.2 1.48130
High needs 33.8 32.73000 1.7 0.730025
Low income 34.9 33.62890 1.8 0.728925
EL and Former EL--18---18-
Students w/ disabilities--6---6-
Amer. Ind. or Alaska Nat.--------
Asian 40.3 52.422925 0.0 0.022925
Afr. Amer./Black 29.0 24.1870 3.2 2.38725
Hispanic/Latino 31.4 19.2990 1.4 1.09925
Multi-race, Non-Hisp./Lat.--22---22-
Nat. Haw. or Pacif. Isl.--1---1-
White 30.6 30.43750 1.1 2.13750
Summary > 2014
2014 English Language Arts Growth
  0 10 20 30 40 50 60 70 80 90 100 2013 SGP 2014 SGP SGP Change 6 Year Goal Met Safe Harbor? N PPI Points Rating
All studentsSGP = 44, Target = 51SGP = 44, Target = 51SGP = 44, Target = 51 47.0 44.0 -3.0 51.0No105850Below Target
High needsSGP = 41, Target = 51SGP = 41, Target = 51SGP = 41, Target = 51 47.0 41.0 -6.0 51.0Yes39775On Target
Low incomeSGP = 41, Target = 51SGP = 41, Target = 51SGP = 41, Target = 51 47.0 41.0 -6.0 51.0Yes38375On Target
EL and Former EL --- 51.0-21--
Students w/ disabilities --- 51.0-8--
Amer. Ind. or Alaska Nat. --- 51.0----
AsianSGP = 53, Target = 51SGP = 53, Target = 51SGP = 53, Target = 51 53.0 53.0 0.0 51.0No31175On Target
Afr. Amer./BlackSGP = 46.5, Target = 51SGP = 46.5, Target = 51SGP = 46.5, Target = 51 40.0 46.5 6.5 51.0No10450Below Target
Hispanic/LatinoSGP = 42.5, Target = 51SGP = 42.5, Target = 51SGP = 42.5, Target = 51 46.0 42.5 -3.5 51.0Yes12475On Target
Multi-race, Non-Hisp./Lat. --- 51.0-27--
Nat. Haw. or Pacif. Isl. --- 51.0-1--
WhiteSGP = 40, Target = 51SGP = 40, Target = 51SGP = 40, Target = 51 44.0 40.0 -4.0 51.0No49125Below Target
Summary > 2014
2014 Mathematics Growth
  0 10 20 30 40 50 60 70 80 90 100 2013 SGP 2014 SGP SGP Change 6 Year Goal Met Safe Harbor? N PPI Points Rating
All studentsSGP = 53, Target = 51SGP = 53, Target = 51SGP = 53, Target = 51 52.0 53.0 1.0 51.0No106275On Target
High needsSGP = 52, Target = 51SGP = 52, Target = 51 50.0 52.0 2.0 51.0No39975On Target
Low incomeSGP = 52, Target = 51SGP = 52, Target = 51 50.0 52.0 2.0 51.0Yes38575On Target
EL and Former EL --- 51.0-21--
Students w/ disabilities --- 51.0-8--
Amer. Ind. or Alaska Nat. --- 51.0----
AsianSGP = 62, Target = 51SGP = 62, Target = 51SGP = 62, Target = 51 59.0 62.0 3.0 51.0Yes312100Above Target
Afr. Amer./BlackSGP = 52.5, Target = 51SGP = 52.5, Target = 51SGP = 52.5, Target = 51 42.5 52.5 10.0 51.0Yes10475On Target
Hispanic/LatinoSGP = 49.5, Target = 51SGP = 49.5, Target = 51SGP = 49.5, Target = 51 46.0 49.5 3.5 51.0No12450Below Target
Multi-race, Non-Hisp./Lat. --- 51.0-28--
Nat. Haw. or Pacif. Isl. --- 51.0-1--
WhiteSGP = 51, Target = 51SGP = 51, Target = 51 52.0 51.0 -1.0 51.0No49375On Target
Summary > 2014
2013 4-Year Cohort Graduation Rate
  0 10 20 30 40 50 60 70 80 90 100 2012 Rate 2013 Rate Change Annual Target 6 Year Goal N PPI Points Rating
All studentsCohort Graduation Rate = 98.6, Target = 80Cohort Graduation Rate = 98.6, Target = 80Cohort Graduation Rate = 98.6, Target = 80 96.4 98.6 2.2 80.0 90.0366100Above Target
High needsCohort Graduation Rate = 98.8, Target = 80Cohort Graduation Rate = 98.8, Target = 80Cohort Graduation Rate = 98.8, Target = 80 95.9 98.8 2.9 80.0 90.0164100Above Target
Low incomeCohort Graduation Rate = 98.7, Target = 80Cohort Graduation Rate = 98.7, Target = 80Cohort Graduation Rate = 98.7, Target = 80 95.8 98.7 2.9 80.0 90.0157100Above Target
EL and Former EL --- 80.0 90.04--
Students w/ disabilities --- 80.0 90.06--
Amer. Ind. or Alaska Nat. --- 80.0 90.0---
AsianCohort Graduation Rate = 98.4, Target = 80Cohort Graduation Rate = 98.4, Target = 80Cohort Graduation Rate = 98.4, Target = 80 99.1 98.4 -0.7 80.0 90.0122100Above Target
Afr. Amer./BlackCohort Graduation Rate = 100, Target = 80Cohort Graduation Rate = 100, Target = 80Cohort Graduation Rate = 100, Target = 80 94.2 100.0 5.8 80.0 90.041100Above Target
Hispanic/Latino --- 80.0 90.021--
Multi-race, Non-Hisp./Lat. --- 80.0 90.011--
Nat. Haw. or Pacif. Isl. --- 80.0 90.0---
WhiteCohort Graduation Rate = 98.2, Target = 80Cohort Graduation Rate = 98.2, Target = 80Cohort Graduation Rate = 98.2, Target = 80 95.7 98.2 2.5 80.0 90.0171100Above Target
Summary > 2014
2012 5-Year Cohort Graduation Rate
  0 10 20 30 40 50 60 70 80 90 100 2011 Rate 2012 Rate Change Annual Target 6 Year Goal N PPI Points Rating
All studentsCohort Graduation Rate = 99.5, Target = 85Cohort Graduation Rate = 99.5, Target = 85Cohort Graduation Rate = 99.5, Target = 85 99.5 99.5 0.0 85.0 95.0394100Above Target
High needsCohort Graduation Rate = 99.4, Target = 85Cohort Graduation Rate = 99.4, Target = 85Cohort Graduation Rate = 99.4, Target = 85 99.4 99.4 0.0 85.0 95.0170100Above Target
Low incomeCohort Graduation Rate = 99.4, Target = 85Cohort Graduation Rate = 99.4, Target = 85Cohort Graduation Rate = 99.4, Target = 85 99.3 99.4 0.1 85.0 95.0166100Above Target
EL and Former EL --- 85.0 95.04--
Students w/ disabilities --- 85.0 95.05--
Amer. Ind. or Alaska Nat. --- 85.0 95.0---
AsianCohort Graduation Rate = 99.1, Target = 85Cohort Graduation Rate = 99.1, Target = 85Cohort Graduation Rate = 99.1, Target = 85 99.0 99.1 0.1 85.0 95.0107100Above Target
Afr. Amer./BlackCohort Graduation Rate = 100, Target = 85Cohort Graduation Rate = 100, Target = 85Cohort Graduation Rate = 100, Target = 85 100.0 100.0 0.0 85.0 95.052100Above Target
Hispanic/LatinoCohort Graduation Rate = 100, Target = 85Cohort Graduation Rate = 100, Target = 85Cohort Graduation Rate = 100, Target = 85 100.0 100.0 0.0 85.0 95.035100Above Target
Multi-race, Non-Hisp./Lat. --- 85.0 95.016--
Nat. Haw. or Pacif. Isl. --- 85.0 95.0---
WhiteCohort Graduation Rate = 99.5, Target = 85Cohort Graduation Rate = 99.5, Target = 85Cohort Graduation Rate = 99.5, Target = 85 99.5 99.5 0.0 85.0 95.0184100Above Target
Summary > 2014
2013 Annual Dropout Rate
  0  2  4  6  8  10 12  14 16  18 20 Baseline Rate 2012 Rate 2013 Rate Change Annual Target 6 Year Goal Percentile in School Type N PPI Points Rating
All studentsDropout Rate = 0.2, Target = 0.1 0.1 0.0 0.2 -0.2 0.1 0.186158375On Target
High needsDropout Rate = 0.4, Target = 0 0.0 0.0 0.4 -0.4 0.0 0.08552475On Target
Low incomeDropout Rate = 0.4, Target = 0 0.0 0.0 0.4 -0.4 0.0 0.08150175On Target
EL and Former EL -------6--
Students w/ disabilities -------19--
Amer. Ind. or Alaska Nat. ----------
AsianDropout Rate = 0.2, Target = 0 0.0 0.0 0.2 -0.2 0.0 0.04250875On Target
Afr. Amer./BlackDropout Rate = 0.6, Target = 0.4 0.5 0.0 0.6 -0.6 0.4 0.3661640Declined
Hispanic/LatinoDropout Rate = 0, Target = 0 0.0 0.0 0.0 0.0 0.0 0.090132100Above Target
Multi-race, Non-Hisp./Lat.Dropout Rate = 0, Target = 0 0.0 0.0 0.0 0.0 0.0 0.07245100Above Target
Nat. Haw. or Pacif. Isl. -------2--
WhiteDropout Rate = 0.1, Target = 0 0.0 0.0 0.1 -0.1 0.0 0.086732100Above Target
Extra Credit for Reengaging Dropouts (2 or more)
  2013 Number of Dropouts Reengaged PPI Points
All students00
High needs00
Summary > 2014
2014 Assessment Participation
  English Language Arts Mathematics Science
Enrolled Assessed % Met Target (95%) Enrolled Assessed % Met Target (95%) Enrolled Assessed % Met Target (95%)
All students12211219100Yes12211217100Yes814814100Yes
High needs419419100Yes419418100Yes300300100Yes
Low income400400100Yes400399100Yes289289100Yes
EL and Former EL26---26---18---
Students w/ disabilities10---10---6---
Amer. Ind. or Alaska Nat.------------
Asian341341100Yes341340100Yes229229100Yes
Afr. Amer./Black114114100Yes114114100Yes8787100Yes
Hispanic/Latino138138100Yes138138100Yes9999100Yes
Multi-race, Non-Hisp./Lat.3636100Yes3636100Yes22---
Nat. Haw. or Pacif. Isl.1---1---1---
White586584100Yes58658399Yes375375100Yes

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