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Boston Latin School
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2013 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 > 2013
2013 English Language Arts Proficiency Gap Narrowing
  0 10 20 30 40 50 60 70 80 90 100 2011 CPI (Baseline) 2012 CPI 2013 CPI CPI Change 2013 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 99.6 99.8 0.2 99.8 99.9 981121100Above Target
High needsCPI = 99.9, Target = 100CPI = 99.9, Target = 100 100.0 99.8 99.9 0.1 100.0 100.0 98359100Above Target
Low incomeCPI = 99.9, Target = 100CPI = 99.9, Target = 100 100.0 99.9 99.9 0.0 100.0 100.0 98337100Above Target
EL and Former ELCPI = 99.3, Target = 100CPI = 99.3, Target = 100 100.0- 99.3 -0.7 100.0 100.0 9534100Above Target
Students w/ disabilities -------13--
Amer. Ind. or Alaska Nat. ----------
AsianCPI = 100, Target = 100CPI = 100, Target = 100 100.0 99.9 100.0 0.1 100.0 100.0 91287100Above Target
Afr. Amer./BlackCPI = 100, Target = 99.8CPI = 100, Target = 99.8 99.8 100.0 100.0 0.0 99.8 99.9 96109100Above Target
Hispanic/LatinoCPI = 99.8, Target = 99.6CPI = 99.8, Target = 99.6 99.5 99.3 99.8 0.5 99.6 99.8 97130100Above Target
Multi-race, Non-Hisp./Lat.CPI = 100, Target = 100CPI = 100, Target = 100 100.0 100.0 100.0 0.0 100.0 100.0 8341100Above Target
Nat. Haw. or Pacif. Isl. -------1--
WhiteCPI = 99.7, Target = 99.7CPI = 99.7, Target = 99.7 99.6 99.4 99.7 0.3 99.7 99.8 98553100Above Target
Summary > 2013
2013 Mathematics Proficiency Gap Narrowing
  0 10 20 30 40 50 60 70 80 90 100 2011 CPI (Baseline) 2012 CPI 2013 CPI CPI Change 2013 Target 6 Year Goal Percentile in School Type N PPI Points Rating
All studentsCPI = 98.5, Target = 98.3CPI = 98.5, Target = 98.3 97.9 98.7 98.5 -0.2 98.3 99.0 981128100Above Target
High needsCPI = 98.8, Target = 98.7CPI = 98.8, Target = 98.7 98.4 99.3 98.8 -0.5 98.7 99.2 98361100Above Target
Low incomeCPI = 98.8, Target = 98.9CPI = 98.8, Target = 98.9 98.7 99.4 98.8 -0.6 98.9 99.4 98338100Above Target
EL and Former ELCPI = 97.8, Target = 97.4CPI = 97.8, Target = 97.4 96.9- 97.8 0.9 97.4 98.5 9534100Above Target
Students w/ disabilities -------14--
Amer. Ind. or Alaska Nat. ----------
AsianCPI = 99.8, Target = 99.8CPI = 99.8, Target = 99.8 99.7 99.9 99.8 -0.1 99.8 99.9 91287100Above Target
Afr. Amer./BlackCPI = 97.5, Target = 97.3CPI = 97.5, Target = 97.3 96.8 99.1 97.5 -1.6 97.3 98.4 96109100Above Target
Hispanic/LatinoCPI = 98.7, Target = 97.3CPI = 98.7, Target = 97.3CPI = 98.7, Target = 97.3 96.8 98.1 98.7 0.6 97.3 98.4 97130100Above Target
Multi-race, Non-Hisp./Lat.CPI = 97.6, Target = 96.7CPI = 97.6, Target = 96.7 96.0 97.8 97.6 -0.2 96.7 98.0 8341100Above Target
Nat. Haw. or Pacif. Isl. -------1--
WhiteCPI = 98.1, Target = 97.8CPI = 98.1, Target = 97.8 97.4 98.1 98.1 0.0 97.8 98.7 98560100Above Target
Summary > 2013
2013 Science Proficiency Gap Narrowing
  0 10 20 30 40 50 60 70 80 90 100 2011 CPI (Baseline) 2012 CPI 2013 CPI CPI Change 2013 Target 6 Year Goal Percentile in School Type N PPI Points Rating
All studentsCPI = 89.8, Target = 88.6CPI = 89.8, Target = 88.6CPI = 89.8, Target = 88.6 86.3 90.6 89.8 -0.8 88.6 93.2 89733100Above Target
High needsCPI = 89.3, Target = 87.1CPI = 89.3, Target = 87.1CPI = 89.3, Target = 87.1 84.5 91.1 89.3 -1.8 87.1 92.3 94231100Above Target
Low incomeCPI = 89.4, Target = 87.2CPI = 89.4, Target = 87.2CPI = 89.4, Target = 87.2 84.6 90.9 89.4 -1.5 87.2 92.3 94218100Above Target
EL and Former EL -------10--
Students w/ disabilities -------11--
Amer. Ind. or Alaska Nat. ----------
AsianCPI = 93.3, Target = 90.5CPI = 93.3, Target = 90.5CPI = 93.3, Target = 90.5 88.6 96.1 93.3 -2.8 90.5 94.3 64201100Above Target
Afr. Amer./BlackCPI = 84.3, Target = 86.7CPI = 84.3, Target = 86.7CPI = 84.3, Target = 86.7 84.0 88.4 84.3 -4.1 86.7 92.0 79620Declined
Hispanic/LatinoCPI = 86.8, Target = 83.3CPI = 86.8, Target = 83.3CPI = 86.8, Target = 83.3 80.0 86.0 86.8 0.8 83.3 90.0 8770100Above Target
Multi-race, Non-Hisp./Lat. -------26--
Nat. Haw. or Pacif. Isl. -------1--
WhiteCPI = 89.6, Target = 88.8CPI = 89.6, Target = 88.8 86.5 88.2 89.6 1.4 88.8 93.3 8337375On Target
Summary > 2013
2013 English Language Arts Extra Credit
  Extra credit for increasing % Advanced (10% or more) Extra credit for decreasing % Warning/Failing (10% or more)
2012
% Advanced		 2013
% Advanced		 N PPI Points 2012
% Warning/Failing		 2013
% Warning/Failing		 N PPI Points
All students 42.2 38.411210 0.0 0.0112125
High needs 42.4 37.63590 0.0 0.035925
Low income 42.8 38.93370 0.0 0.033725
EL and Former EL 25.0 5.9340 0.0 0.03425
Students w/ disabilities--13---13-
Amer. Ind. or Alaska Nat.--------
Asian 52.8 49.82870 0.0 0.028725
Afr. Amer./Black 38.3 22.91090 0.0 0.010925
Hispanic/Latino 39.8 34.61300 0.0 0.013025
Multi-race, Non-Hisp./Lat. 41.2 46.34125 0.0 0.04125
Nat. Haw. or Pacif. Isl.--1---1-
White 37.2 35.85530 0.0 0.055325
Summary > 2013
2013 Mathematics Extra Credit
  Extra credit for increasing % Advanced (10% or more) Extra credit for decreasing % Warning/Failing (10% or more)
2012
% Advanced		 2013
% Advanced		 N PPI Points 2012
% Warning/Failing		 2013
% Warning/Failing		 N PPI Points
All students 65.0 65.211280 0.0 0.211280
High needs 68.9 65.13610 0.0 0.036125
Low income 70.7 65.13380 0.0 0.033825
EL and Former EL 78.1 52.9340 3.1 0.03425
Students w/ disabilities--14---14-
Amer. Ind. or Alaska Nat.--------
Asian 84.7 82.22870 0.0 0.028725
Afr. Amer./Black 53.9 50.51090 0.0 0.91090
Hispanic/Latino 55.3 60.81300 0.0 0.013025
Multi-race, Non-Hisp./Lat. 61.8 61.0410 0.0 0.04125
Nat. Haw. or Pacif. Isl.--1---1-
White 57.7 60.95600 0.0 0.25600
Summary > 2013
2013 Science Extra Credit
  Extra credit for increasing % Advanced (10% or more) Extra credit for decreasing % Warning/Failing (10% or more)
2012
% Advanced		 2013
% Advanced		 N PPI Points 2012
% Warning/Failing		 2013
% Warning/Failing		 N PPI Points
All students 23.6 33.873325 1.3 1.27330
High needs 26.0 33.823125 0.4 1.72310
Low income 26.6 34.921825 0.5 1.82180
EL and Former EL--10---10-
Students w/ disabilities--11---11-
Amer. Ind. or Alaska Nat.--------
Asian 40.3 40.32010 0.4 0.020125
Afr. Amer./Black 7.1 29.06225 1.2 3.2620
Hispanic/Latino 21.2 31.47025 3.0 1.47025
Multi-race, Non-Hisp./Lat.--26---26-
Nat. Haw. or Pacif. Isl.--1---1-
White 16.8 30.637325 1.6 1.137325
Summary > 2013
2013 English Language Arts Growth
  0 10 20 30 40 50 60 70 80 90 100 2012 SGP 2013 SGP SGP Change 6 Year Goal Met Safe Harbor? N PPI Points Rating
All studentsSGP = 47, Target = 51SGP = 47, Target = 51SGP = 47, Target = 51 47.0 47.0 0.0 51.0Yes96375On Target
High needsSGP = 47, Target = 51SGP = 47, Target = 51SGP = 47, Target = 51 45.0 47.0 2.0 51.0Yes33375On Target
Low incomeSGP = 47, Target = 51SGP = 47, Target = 51SGP = 47, Target = 51 44.0 47.0 3.0 51.0No31450Below Target
EL and Former ELSGP = 33, Target = 51SGP = 33, Target = 51SGP = 33, Target = 51 38.0 33.0 -5.0 51.0-3025Below Target
Students w/ disabilities --- 51.0-11--
Amer. Ind. or Alaska Nat. --- 51.0----
AsianSGP = 53, Target = 51SGP = 53, Target = 51SGP = 53, Target = 51 51.0 53.0 2.0 51.0Yes26475On Target
Afr. Amer./BlackSGP = 40, Target = 51SGP = 40, Target = 51SGP = 40, Target = 51 46.0 40.0 -6.0 51.0-9225Below Target
Hispanic/LatinoSGP = 46, Target = 51SGP = 46, Target = 51SGP = 46, Target = 51 49.0 46.0 -3.0 51.0Yes11175On Target
Multi-race, Non-Hisp./Lat. --- 51.0-33--
Nat. Haw. or Pacif. Isl. --- 51.0-1--
WhiteSGP = 44, Target = 51SGP = 44, Target = 51SGP = 44, Target = 51 44.5 44.0 -0.5 51.0Yes46275On Target
Summary > 2013
2013 Mathematics Growth
  0 10 20 30 40 50 60 70 80 90 100 2012 SGP 2013 SGP SGP Change 6 Year Goal Met Safe Harbor? N PPI Points Rating
All studentsSGP = 52, Target = 51SGP = 52, Target = 51 54.0 52.0 -2.0 51.0No97575On Target
High needsSGP = 50, Target = 51SGP = 50, Target = 51 52.0 50.0 -2.0 51.0No33850Below Target
Low incomeSGP = 50, Target = 51SGP = 50, Target = 51 52.0 50.0 -2.0 51.0No31750Below Target
EL and Former ELSGP = 24, Target = 51SGP = 24, Target = 51SGP = 24, Target = 51 54.5 24.0 -30.5 51.0No300Below Target
Students w/ disabilities --- 51.0-14--
Amer. Ind. or Alaska Nat. --- 51.0----
AsianSGP = 59, Target = 51SGP = 59, Target = 51SGP = 59, Target = 51 57.0 59.0 2.0 51.0No26675On Target
Afr. Amer./BlackSGP = 42.5, Target = 51SGP = 42.5, Target = 51SGP = 42.5, Target = 51 49.0 42.5 -6.5 51.0No9250Below Target
Hispanic/LatinoSGP = 46, Target = 51SGP = 46, Target = 51SGP = 46, Target = 51 45.0 46.0 1.0 51.0Yes11175On Target
Multi-race, Non-Hisp./Lat. --- 51.0-34--
Nat. Haw. or Pacif. Isl. --- 51.0-1--
WhiteSGP = 52, Target = 51SGP = 52, Target = 51 55.0 52.0 -3.0 51.0No47175On Target
Summary > 2013
2012 4-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 = 96.4, Target = 80Cohort Graduation Rate = 96.4, Target = 80Cohort Graduation Rate = 96.4, Target = 80 98.7 96.4 -2.3 80.0 90.0394100Above Target
High needsCohort Graduation Rate = 95.9, Target = 80Cohort Graduation Rate = 95.9, Target = 80Cohort Graduation Rate = 95.9, Target = 80 98.1 95.9 -2.2 80.0 90.0170100Above Target
Low incomeCohort Graduation Rate = 95.8, Target = 80Cohort Graduation Rate = 95.8, Target = 80Cohort Graduation Rate = 95.8, Target = 80 98.0 95.8 -2.2 80.0 90.0166100Above Target
EL and Former EL --- 80.0 90.04--
Students w/ disabilities --- 80.0 90.05--
Amer. Ind. or Alaska Nat. --- 80.0 90.0---
AsianCohort Graduation Rate = 99.1, Target = 80Cohort Graduation Rate = 99.1, Target = 80Cohort Graduation Rate = 99.1, Target = 80 97.9 99.1 1.2 80.0 90.0107100Above Target
Afr. Amer./BlackCohort Graduation Rate = 94.2, Target = 80Cohort Graduation Rate = 94.2, Target = 80Cohort Graduation Rate = 94.2, Target = 80 100.0 94.2 -5.8 80.0 90.05275On Target
Hispanic/LatinoCohort Graduation Rate = 97.1, Target = 80Cohort Graduation Rate = 97.1, Target = 80Cohort Graduation Rate = 97.1, Target = 80 100.0 97.1 -2.9 80.0 90.035100Above Target
Multi-race, Non-Hisp./Lat. --- 80.0 90.016--
Nat. Haw. or Pacif. Isl. --- 80.0 90.0---
WhiteCohort Graduation Rate = 95.7, Target = 80Cohort Graduation Rate = 95.7, Target = 80Cohort Graduation Rate = 95.7, Target = 80 98.5 95.7 -2.8 80.0 90.0184100Above Target
Summary > 2013
2011 5-Year Cohort Graduation Rate
  0 10 20 30 40 50 60 70 80 90 100 2010 Rate 2011 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 99.0 99.5 0.5 85.0 95.0380100Above Target
High needsCohort Graduation Rate = 99.4, Target = 85Cohort Graduation Rate = 99.4, Target = 85Cohort Graduation Rate = 99.4, Target = 85 98.2 99.4 1.2 85.0 95.0155100Above Target
Low incomeCohort Graduation Rate = 99.3, Target = 85Cohort Graduation Rate = 99.3, Target = 85Cohort Graduation Rate = 99.3, Target = 85 98.0 99.3 1.3 85.0 95.0152100Above Target
EL and Former EL --- 85.0 95.00--
Students w/ disabilities --- 85.0 95.04--
Amer. Ind. or Alaska Nat. --- 85.0 95.0---
AsianCohort Graduation Rate = 99, Target = 85Cohort Graduation Rate = 99, Target = 85Cohort Graduation Rate = 99, Target = 85 98.3 99.0 0.7 85.0 95.096100Above 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 95.039100Above Target
Hispanic/LatinoCohort Graduation Rate = 100, Target = 85Cohort Graduation Rate = 100, Target = 85Cohort Graduation Rate = 100, Target = 85 93.8 100.0 6.2 85.0 95.033100Above Target
Multi-race, Non-Hisp./Lat. --- 85.0 95.08--
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 95.0204100Above Target
Summary > 2013
2012 Annual Dropout Rate
  0  2  4  6  8  10 12  14 16  18 20 2010 Rate (Baseline) 2011 Rate 2012 Rate Change Annual Target 6 Year Goal Percentile in School Type N PPI Points Rating
All studentsDropout Rate = 0, Target = 0.1 0.1 0.1 0.0 0.1 0.1 0.1921568100Above Target
High needsDropout Rate = 0, Target = 0 0.0 0.0 0.0 0.0 0.0 0.089516100Above Target
Low incomeDropout Rate = 0, Target = 0 0.0 0.0 0.0 0.0 0.0 0.090483100Above Target
EL and Former EL -------5--
Students w/ disabilities -------23--
Amer. Ind. or Alaska Nat. -------1--
AsianDropout Rate = 0, Target = 0 0.0 0.2 0.0 0.2 0.0 0.060465100Above Target
Afr. Amer./BlackDropout Rate = 0, Target = 0.4 0.5 0.0 0.0 0.0 0.4 0.382197100Above Target
Hispanic/LatinoDropout Rate = 0, Target = 0 0.0 0.0 0.0 0.0 0.0 0.088136100Above Target
Multi-race, Non-Hisp./Lat.Dropout Rate = 0, Target = 0 0.0 0.0 0.0 0.0 0.0 0.07037100Above Target
Nat. Haw. or Pacif. Isl. -------1--
WhiteDropout Rate = 0, Target = 0 0.0 0.0 0.0 0.0 0.0 0.086731100Above Target
Summary > 2013
2013 MCAS Participation
  English Language Arts Mathematics Science
Enrolled Assessed % Met Target (95%) Enrolled Assessed % Met Target (95%) Enrolled Assessed % Met Target (95%)
All students1133112499Yes11331131100Yes734733100Yes
High needs36235999Yes362361100Yes232231100Yes
Low income33933799Yes339338100Yes219218100Yes
EL and Former EL3434100Yes3434100Yes10---
Students w/ disabilities14---14---12---
Amer. Ind. or Alaska Nat.------------
Asian29028899Yes29028899Yes202201100Yes
Afr. Amer./Black109109100Yes109109100Yes6262100Yes
Hispanic/Latino130130100Yes130130100Yes7070100Yes
Multi-race, Non-Hisp./Lat.4141100Yes4141100Yes26---
Nat. Haw. or Pacif. Isl.1---1---1---
White56155499Yes561561100Yes373373100Yes

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