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Boston Latin School
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2012 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:Non-Title I School (NT)
Accountability and Assistance Level:Level 1
 Summary > 2012
2012 English Language Arts Proficiency Gap Narrowing
  0 10 20 30 40 50 60 70 80 90 100 6 Year Goal 2011 CPI (Baseline) CPI Change 2012 Target 2012 CPI Percentile in Grade Span N PPI Points Rating
All StudentsCPI = 99.6, Target = 99.7CPI = 99.6, Target = 99.7 99.9 99.7 -0.1 99.7 99.6 981162100Above Target
High needsCPI = 99.8, Target = 100CPI = 99.8, Target = 100 100.0 100.0 -0.2 100.0 99.8 98337100Above Target
Low incomeCPI = 99.9, Target = 100CPI = 99.9, Target = 100 100.0 100.0 -0.1 100.0 99.9 98313100Above Target
EL and Former EL ------25--
Students w/ disabilities ------13--
Amer. Ind. or Alaska Nat. ---------
AsianCPI = 99.9, Target = 100CPI = 99.9, Target = 100 100.0 100.0 -0.1 100.0 99.9 91335100Above Target
Afr. Amer./BlackCPI = 100, Target = 99.8CPI = 100, Target = 99.8 99.9 99.8 0.2 99.8 100.0 96115100Above Target
Hispanic/LatinoCPI = 99.3, Target = 99.5CPI = 99.3, Target = 99.5 99.8 99.5 -0.2 99.5 99.3 94103100Above Target
Multi-race, Non-Hisp./Lat. ------34--
Nat. Haw. or Pacif. Isl. ------2--
WhiteCPI = 99.4, Target = 99.6CPI = 99.4, Target = 99.6 99.8 99.6 -0.2 99.6 99.4 98573100Above Target
Summary > 2012
2012 Mathematics Proficiency Gap Narrowing
  0 10 20 30 40 50 60 70 80 90 100 6 Year Goal 2011 CPI (Baseline) CPI Change 2012 Target 2012 CPI Percentile in Grade Span N PPI Points Rating
All StudentsCPI = 98.7, Target = 98.1CPI = 98.7, Target = 98.1 99.0 97.9 0.8 98.1 98.7 981162100Above Target
High needsCPI = 99.3, Target = 98.5CPI = 99.3, Target = 98.5 99.2 98.4 0.9 98.5 99.3 98338100Above Target
Low incomeCPI = 99.4, Target = 98.8CPI = 99.4, Target = 98.8 99.4 98.7 0.7 98.8 99.4 98314100Above Target
EL and Former EL ------25--
Students w/ disabilities ------13--
Amer. Ind. or Alaska Nat. ---------
AsianCPI = 99.9, Target = 99.7CPI = 99.9, Target = 99.7 99.9 99.7 0.2 99.7 99.9 91334100Above Target
Afr. Amer./BlackCPI = 99.1, Target = 97.1CPI = 99.1, Target = 97.1CPI = 99.1, Target = 97.1 98.4 96.8 2.3 97.1 99.1 96115100Above Target
Hispanic/LatinoCPI = 98.1, Target = 97.1CPI = 98.1, Target = 97.1 98.4 96.8 1.3 97.1 98.1 97103100Above Target
Multi-race, Non-Hisp./Lat. ------34--
Nat. Haw. or Pacif. Isl. ------2--
WhiteCPI = 98.1, Target = 97.6CPI = 98.1, Target = 97.6 98.7 97.4 0.7 97.6 98.1 98574100Above Target

Summary > 2012
2012 Science Proficiency Gap Narrowing
  0 10 20 30 40 50 60 70 80 90 100 6 Year Goal 2011 CPI (Baseline) CPI Change 2012 Target 2012 CPI Percentile in Grade Span N PPI Points Rating
All StudentsCPI = 90.6, Target = 87.4CPI = 90.6, Target = 87.4CPI = 90.6, Target = 87.4 93.2 86.3 4.3 87.4 90.6 92794100Above Target
High needsCPI = 91.1, Target = 85.8CPI = 91.1, Target = 85.8CPI = 91.1, Target = 85.8 92.3 84.5 6.6 85.8 91.1 98227100Above Target
Low incomeCPI = 90.9, Target = 85.9CPI = 90.9, Target = 85.9CPI = 90.9, Target = 85.9 92.3 84.6 6.3 85.9 90.9 98214100Above Target
EL and Former EL ------9--
Students w/ disabilities ------9--
Amer. Ind. or Alaska Nat. ---------
AsianCPI = 96.1, Target = 89.6CPI = 96.1, Target = 89.6CPI = 96.1, Target = 89.6 94.3 88.6 7.5 89.6 96.1 71243100Above Target
Afr. Amer./BlackCPI = 88.4, Target = 85.3CPI = 88.4, Target = 85.3CPI = 88.4, Target = 85.3 92.0 84.0 4.4 85.3 88.4 9584100Above Target
Hispanic/LatinoCPI = 86, Target = 81.7CPI = 86, Target = 81.7CPI = 86, Target = 81.7 90.0 80.0 6.0 81.7 86.0 8266100Above Target
Multi-race, Non-Hisp./Lat. ------19--
Nat. Haw. or Pacif. Isl. ------1--
WhiteCPI = 88.2, Target = 87.6CPI = 88.2, Target = 87.6 93.3 86.5 1.7 87.6 88.2 8138175On Target
Summary > 2012
2012 English Language Arts Extra Credit
  Extra credit for increasing % Advanced (10% or more) Extra credit for decreasing % Warning/Failing (10% or more)
Advanced Baseline % 2012 % Advanced N PPI Points Awarded Warning/Failing Baseline % 2012 % Warning/Failing N PPI Points Awarded
All Students 38.2 42.2116225 0.0 0.0116225
High needs 37.6 42.433725 0.0 0.033725
Low income 38.2 42.831325 0.0 0.031325
EL and Former EL--25---25-
Students w/ disabilities--13---13-
Amer. Ind. or Alaska Nat.--------
Asian 46.2 52.833525 0.0 0.033525
Afr. Amer./Black 33.3 38.311525 0.0 0.011525
Hispanic/Latino 33.0 39.810325 0.0 0.010325
Multi-race, Non-Hisp./Lat.--34---34-
Nat. Haw. or Pacif. Isl.--2---2-
White 35.3 37.25730 0.0 0.057325

Summary > 2012
2012 Mathematics Extra Credit
  Extra credit for increasing % Advanced (10% or more) Extra credit for decreasing % Warning/Failing (10% or more)
Advanced Baseline % 2012 % Advanced N PPI Points Awarded Warning/Failing Baseline % 2012 % Warning/Failing N PPI Points Awarded
All Students 69.8 65.011620 0.3 0.0116225
High needs 75.7 68.93380 0.6 0.033825
Low income 76.3 70.73140 0.3 0.031425
EL and Former EL--25---25-
Students w/ disabilities--13---13-
Amer. Ind. or Alaska Nat.--------
Asian 88.6 84.73340 0.0 0.033425
Afr. Amer./Black 58.7 53.91150 0.0 0.011525
Hispanic/Latino 57.0 55.31030 2.0 0.010325
Multi-race, Non-Hisp./Lat.--34---34-
Nat. Haw. or Pacif. Isl.--2---2-
White 63.3 57.75740 0.4 0.057425
Summary > 2012
2012 Science Extra Credit
  Extra credit for increasing % Advanced (10% or more) Extra credit for decreasing % Warning/Failing (10% or more)
Advanced Baseline % 2012 % Advanced N PPI Points Awarded Warning/Failing Baseline % 2012 % Warning/Failing N PPI Points Awarded
All Students 27.6 23.67940 2.8 1.379425
High needs 24.8 26.02270 5.7 0.422725
Low income 25.6 26.62140 5.8 0.521425
EL and Former EL--9---9-
Students w/ disabilities--9---9-
Amer. Ind. or Alaska Nat.--------
Asian 35.7 40.324325 2.3 0.424325
Afr. Amer./Black 18.6 7.1840 5.8 1.28425
Hispanic/Latino 15.0 21.26625 8.3 3.06625
Multi-race, Non-Hisp./Lat.--19---19-
Nat. Haw. or Pacif. Isl.--1---1-
White 27.3 16.83810 1.6 1.63810

Summary > 2012
2012 English Language Arts Growth
  0 10 20 30 40 50 60 70 80 90 100 6 Year Goal 2011 SGP
(Baseline)		 SGP Change 2012 SGP N Met Safe Harbor? PPI Points Rating
All StudentsSGP = 47, Target = 51SGP = 47, Target = 51SGP = 47, Target = 51 51.0 38.0 9.0 47.01000No50Below Target
High needsSGP = 45, Target = 51SGP = 45, Target = 51SGP = 45, Target = 51 51.0 35.5 9.5 45.0311-75On Target
Low incomeSGP = 44, Target = 51SGP = 44, Target = 51SGP = 44, Target = 51 51.0 35.0 9.0 44.0291-50Below Target
EL and Former EL  51.0---21---
Students w/ disabilities  51.0---11---
Amer. Ind. or Alaska Nat.  51.0-------
AsianSGP = 51, Target = 51SGP = 51, Target = 51 51.0 41.0 10.0 51.0309-75On Target
Afr. Amer./BlackSGP = 46, Target = 51SGP = 46, Target = 51SGP = 46, Target = 51 51.0 39.0 7.0 46.0105Yes75On Target
Hispanic/LatinoSGP = 49, Target = 51SGP = 49, Target = 51SGP = 49, Target = 51 51.0 31.0 18.0 49.091No100Above Target
Multi-race, Non-Hisp./Lat.  51.0---26---
Nat. Haw. or Pacif. Isl.  51.0---1---
WhiteSGP = 44.5, Target = 51SGP = 44.5, Target = 51SGP = 44.5, Target = 51 51.0 39.0 5.5 44.5468No50Below Target
Summary > 2012
2012 Mathematics Growth
  0 10 20 30 40 50 60 70 80 90 100 6 Year Goal 2011 SGP
(Baseline)		 SGP Change 2012 SGP N Met Safe Harbor? PPI Points Rating
All StudentsSGP = 54, Target = 51SGP = 54, Target = 51SGP = 54, Target = 51 51.0 53.0 1.0 54.01007Yes75On Target
High needsSGP = 52, Target = 51SGP = 52, Target = 51 51.0 52.0 0.0 52.0314Yes75On Target
Low incomeSGP = 52, Target = 51SGP = 52, Target = 51 51.0 51.5 0.5 52.0294Yes75On Target
EL and Former EL  51.0---21---
Students w/ disabilities  51.0---11---
Amer. Ind. or Alaska Nat.  51.0-------
AsianSGP = 57, Target = 51SGP = 57, Target = 51SGP = 57, Target = 51 51.0 55.0 2.0 57.0310Yes75On Target
Afr. Amer./BlackSGP = 49, Target = 51SGP = 49, Target = 51SGP = 49, Target = 51 51.0 48.0 1.0 49.0105Yes75On Target
Hispanic/LatinoSGP = 45, Target = 51SGP = 45, Target = 51SGP = 45, Target = 51 51.0 48.0 -3.0 45.091No50Below Target
Multi-race, Non-Hisp./Lat.  51.0---27---
Nat. Haw. or Pacif. Isl.  51.0---1---
WhiteSGP = 55, Target = 51SGP = 55, Target = 51SGP = 55, Target = 51 51.0 54.0 1.0 55.0473Yes75On Target

Summary > 2012
2011 4-Year Cohort Graduation Rate
  0 10 20 30 40 50 60 70 80 90 100 6 Year Goal 2010 Rate (Baseline) Change Annual Target Cohort Graduation Rate N PPI Points Rating
All StudentsCohort Graduation Rate = 98.7, Target = 75Cohort Graduation Rate = 98.7, Target = 75Cohort Graduation Rate = 98.7, Target = 75 90.0 97.4 1.3 75.0 98.7380100Above Target
High needsCohort Graduation Rate = 98.1, Target = 75Cohort Graduation Rate = 98.1, Target = 75Cohort Graduation Rate = 98.1, Target = 75 90.0 97.1 1.0 75.0 98.1155100Above Target
Low incomeCohort Graduation Rate = 98, Target = 75Cohort Graduation Rate = 98, Target = 75Cohort Graduation Rate = 98, Target = 75 90.0 96.7 1.3 75.0 98.0152100Above Target
EL and Former EL  90.0-- 75.0-0--
Students w/ disabilities  90.0-- 75.0-4--
Amer. Ind. or Alaska Nat.  90.0-- 75.0----
AsianCohort Graduation Rate = 97.9, Target = 75Cohort Graduation Rate = 97.9, Target = 75Cohort Graduation Rate = 97.9, Target = 75 90.0 96.6 1.3 75.0 97.996100Above Target
Afr. Amer./BlackCohort Graduation Rate = 100, Target = 75Cohort Graduation Rate = 100, Target = 75Cohort Graduation Rate = 100, Target = 75 90.0 94.9 5.1 75.0 100.039100Above Target
Hispanic/LatinoCohort Graduation Rate = 100, Target = 75Cohort Graduation Rate = 100, Target = 75Cohort Graduation Rate = 100, Target = 75 90.0 81.3 18.7 75.0 100.033100Above Target
Multi-race, Non-Hisp./Lat.  90.0-- 75.0-8--
Nat. Haw. or Pacif. Isl.  90.0-- 75.0----
WhiteCohort Graduation Rate = 98.5, Target = 75Cohort Graduation Rate = 98.5, Target = 75Cohort Graduation Rate = 98.5, Target = 75 90.0 98.4 0.1 75.0 98.5204100Above Target
Summary > 2012
2010 5-Year Cohort Graduation Rate
  0 10 20 30 40 50 60 70 80 90 100 6 Year Goal 2009 Rate (Baseline) Change Annual Target Cohort Graduation Rate N PPI Points Rating
All StudentsCohort Graduation Rate = 99, Target = 80Cohort Graduation Rate = 99, Target = 80Cohort Graduation Rate = 99, Target = 80 95.0 99.0 0.0 80.0 99.0386100Above Target
High needsCohort Graduation Rate = 98.2, Target = 80Cohort Graduation Rate = 98.2, Target = 80Cohort Graduation Rate = 98.2, Target = 80 95.0 98.8 -0.6 80.0 98.2170100Above Target
Low incomeCohort Graduation Rate = 98, Target = 80Cohort Graduation Rate = 98, Target = 80Cohort Graduation Rate = 98, Target = 80 95.0 98.8 -0.8 80.0 98.0150100Above Target
EL and Former EL  95.0-- 80.0-25--
Students w/ disabilities  95.0-- 80.0-4--
Amer. Ind. or Alaska Nat.  95.0-- 80.0-1--
AsianCohort Graduation Rate = 98.3, Target = 80Cohort Graduation Rate = 98.3, Target = 80Cohort Graduation Rate = 98.3, Target = 80 95.0 100.0 -1.7 80.0 98.3116100Above Target
Afr. Amer./BlackCohort Graduation Rate = 100, Target = 80Cohort Graduation Rate = 100, Target = 80Cohort Graduation Rate = 100, Target = 80 95.0 96.7 3.3 80.0 100.039100Above Target
Hispanic/Latino  95.0-- 80.0-26--
Multi-race, Non-Hisp./Lat.  95.0-- 80.0-12--
Nat. Haw. or Pacif. Isl.  95.0-- 80.0----
WhiteCohort Graduation Rate = 99.5, Target = 80Cohort Graduation Rate = 99.5, Target = 80Cohort Graduation Rate = 99.5, Target = 80 95.0 99.5 0.0 80.0 99.5192100Above Target

Summary > 2012
2011 Annual Dropout Rate
  0  2  4  6  8  10 12  14 16  18 20 6 Year Goal 2010 Rate (Baseline) Change Annual Target Annual Dropout Rate Percentile in Grade Span N PPI Points Rating
All StudentsDropout Rate = 0.1, Target = 0.1 0.1 0.1 0.0 0.1 0.1911612100Above Target
High needsDropout Rate = 0, Target = 0 0.0 0.0 0.0 0.0 0.098508100Above Target
Low incomeDropout Rate = 0, Target = 0 0.0 0.0 0.0 0.0 0.098488100Above Target
EL and Former EL ------7--
Students w/ disabilities ------20--
Amer. Ind. or Alaska Nat. ---------
AsianDropout Rate = 0.2, Target = 0 0.0 0.0 -0.2 0.0 0.230456100Above Target
Afr. Amer./BlackDropout Rate = 0, Target = 0.5 0.3 0.5 0.5 0.5 0.096211100Above Target
Hispanic/LatinoDropout Rate = 0, Target = 0 0.0 0.0 0.0 0.0 0.096133100Above Target
Multi-race, Non-Hisp./Lat.Dropout Rate = 0, Target = 0 0.0 0.0 0.0 0.0 0.08035--
Nat. Haw. or Pacif. Isl. ------1--
WhiteDropout Rate = 0, Target = 0 0.0 0.0 0.0 0.0 0.098776100Above Target
Summary > 2012
2012 MCAS Participation
  English Language Arts Mathematics Science
Enrolled Assessed % Met Target (95%) Enrolled Assessed % Met Target (95%) Enrolled Assessed % Met Target (95%)
All Students 1,170 1,16299Yes 1,167 1,162100Yes 795 794100Yes
High needs 340 33799Yes 339 338100Yes 227 227100Yes
Low income 316 31399Yes 315 314100Yes 214 214100Yes
EL and Former EL 25--- 25--- 9---
Students w/ disabilities 13--- 13--- 9---
Amer. Ind. or Alaska Nat.------------
Asian 335 335100Yes 335 334100Yes 243 243100Yes
Afr. Amer./Black 116 11599Yes 116 11599Yes 85 8499Yes
Hispanic/Latino 104 10399Yes 104 10399Yes 66 66100Yes
Multi-race, Non-Hisp./Lat. 35 3497Yes 34 34100Yes 19---
Nat. Haw. or Pacif. Isl. 2--- 2--- 1---
White 578 57399Yes 576 574100Yes 381 381100Yes

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