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Boston Latin School
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2016 Accountability Data - Boston Latin
Summary > 2016
2016 English Language Arts Proficiency Gap Narrowing
  0 10 20 30 40 50 60 70 80 90 100 Baseline CPI 2015 CPI 2016 CPI CPI Change 2016 Target 6 Year Goal CPI Percentile in School Type N PPI Points Rating
All studentsCPI = 99.6, Target = 99.8 - All StudentsAll Students-CPI = 99.6, Target = 99.875 or Higher All Students 99.7 99.3 99.6 0.3 99.8 99.9 981160100Above Target
High needsCPI = 99.9, Target = 100 - High needsHigh needs-CPI = 99.9, Target = 10075 or Higher High needs 100.0 99.4 99.9 0.5 100.0 100.0 98249100Above Target
Econ. DisadvantagedCPI = 100, Target = 99.8 - Econ. DisadvantagedEcon. Disadvantaged-CPI = 100, Target = 99.875 or Higher Econ. Disadvantaged 99.8 99.8 100.0 0.2 99.8 99.9 98211100Above Target
EL and Former EL -------17--
Students w/ disabilities  96.9---- 98.5-30--
Amer. Ind. or Alaska Nat. -------2--
AsianCPI = 100, Target = 100 - AsianAsian-CPI = 100, Target = 10075 or Higher Asian 100.0 99.6 100.0 0.4 100.0 100.0 93330100Above Target
Afr. Amer./BlackCPI = 99.5, Target = 99.9 - Afr. Amer./BlackAfr. Amer./Black-CPI = 99.5, Target = 99.975 or Higher Afr. Amer./Black 99.8 99.7 99.5 -0.2 99.9 99.9 97100100Above Target
Hispanic/LatinoCPI = 99.2, Target = 99.7 - Hispanic/LatinoHispanic/Latino-CPI = 99.2, Target = 99.775 or Higher Hispanic/Latino 99.5 99.4 99.2 -0.2 99.7 99.8 94156100Above Target
Multi-race, Non-Hisp./Lat.CPI = 100, Target = 100 - Multi-race, Non-Hisp./Lat.Multi-race, Non-Hisp./Lat.-CPI = 100, Target = 10075 or Higher Multi-race, Non-Hisp./Lat. 100.0 100.0 100.0 0.0 100.0 100.0 8742100Above Target
Nat. Haw. or Pacif. Isl. ----------
WhiteCPI = 99.5, Target = 99.8 - WhiteWhite-CPI = 99.5, Target = 99.875 or Higher White 99.6 99.0 99.5 0.5 99.8 99.8 97530100Above Target
Summary > 2016
2016 Mathematics Proficiency Gap Narrowing
  0 10 20 30 40 50 60 70 80 90 100 Baseline CPI 2015 CPI 2016 CPI CPI Change 2016 Target 6 Year Goal CPI Percentile in School Type N PPI Points Rating
All studentsCPI = 99.3, Target = 98.8 - All StudentsAll Students-CPI = 99.3, Target = 98.875 or Higher All Students 97.9 97.3 99.3 2.0 98.8 99.0 981151100Above Target
High needsCPI = 99.3, Target = 99.1 - High needsHigh needs-CPI = 99.3, Target = 99.175 or Higher High needs 98.4 97.8 99.3 1.5 99.1 99.2 98249100Above Target
Econ. DisadvantagedCPI = 99.2, Target = 98.1 - Econ. DisadvantagedEcon. Disadvantaged-CPI = 99.2, Target = 98.1CPI = 99.2, Target = 98.175 or Higher Econ. Disadvantaged 97.9 97.9 99.2 1.3 98.1 99.0 98211100Above Target
EL and Former EL -------17--
Students w/ disabilities  94.6---- 97.3-30--
Amer. Ind. or Alaska Nat. -------2--
AsianCPI = 99.7, Target = 99.8 - AsianAsian-CPI = 99.7, Target = 99.875 or Higher Asian 99.7 99.4 99.7 0.3 99.8 99.9 93330100Above Target
Afr. Amer./BlackCPI = 99, Target = 98.1 - Afr. Amer./BlackAfr. Amer./Black-CPI = 99, Target = 98.175 or Higher Afr. Amer./Black 96.8 97.5 99.0 1.5 98.1 98.4 97100100Above Target
Hispanic/LatinoCPI = 99.4, Target = 98.1 - Hispanic/LatinoHispanic/Latino-CPI = 99.4, Target = 98.1CPI = 99.4, Target = 98.175 or Higher Hispanic/Latino 96.8 96.7 99.4 2.7 98.1 98.4 97156100Above Target
Multi-race, Non-Hisp./Lat.CPI = 100, Target = 97.7 - Multi-race, Non-Hisp./Lat.Multi-race, Non-Hisp./Lat.-CPI = 100, Target = 97.7CPI = 100, Target = 97.775 or Higher Multi-race, Non-Hisp./Lat. 96.0 99.4 100.0 0.6 97.7 98.0 8742100Above Target
Nat. Haw. or Pacif. Isl. ----------
WhiteCPI = 99, Target = 98.5 - WhiteWhite-CPI = 99, Target = 98.575 or Higher White 97.4 96.0 99.0 3.0 98.5 98.7 98521100Above Target
Summary > 2016
2016 Science Proficiency Gap Narrowing
  0 10 20 30 40 50 60 70 80 90 100 Baseline CPI 2015 CPI 2016 CPI CPI Change 2016 Target 6 Year Goal CPI Percentile in School Type N PPI Points Rating
All studentsCPI = 86.8, Target = 92 - All Students75 or Higher All StudentsAll Students CPI = 86.8, Target = 92 75 or Higher All Students 86.3 89.6 86.8 -2.8 92.0 93.2 8480775On Target
High needsCPI = 85.8, Target = 91 - High needs75 or Higher High needsHigh needs CPI = 85.8, Target = 91 75 or Higher High needs 84.5 88.3 85.8 -2.5 91.0 92.3 9717975On Target
Econ. DisadvantagedCPI = 85.6, Target = 90 - Econ. Disadvantaged75 or Higher Econ. DisadvantagedEcon. Disadvantaged CPI = 85.6, Target = 90 75 or Higher Econ. Disadvantaged 89.1 89.1 85.6 -3.5 90.0 94.6 9415475On Target
EL and Former EL -------6--
Students w/ disabilities -------23--
Amer. Ind. or Alaska Nat. ----------
AsianCPI = 88.4, Target = 93.4 - Asian75 or Higher AsianAsian CPI = 88.4, Target = 93.4 75 or Higher Asian 88.6 92.5 88.4 -4.1 93.4 94.3 40216100Above Target
Afr. Amer./BlackCPI = 86.6, Target = 90.7 - Afr. Amer./Black75 or Higher Afr. Amer./BlackAfr. Amer./Black CPI = 86.6, Target = 90.7 75 or Higher Afr. Amer./Black 84.0 88.3 86.6 -1.7 90.7 92.0 948275On Target
Hispanic/LatinoCPI = 87.2, Target = 88.3 - Hispanic/Latino75 or Higher Hispanic/LatinoHispanic/Latino CPI = 87.2, Target = 88.3 75 or Higher Hispanic/Latino 80.0 87.7 87.2 -0.5 88.3 90.0 9311975On Target
Multi-race, Non-Hisp./Lat.CPI = 86.2, Target = 91.4 - Multi-race, Non-Hisp./Lat.75 or Higher Multi-race, Non-Hisp./Lat.Multi-race, Non-Hisp./Lat. CPI = 86.2, Target = 91.4 75 or Higher Multi-race, Non-Hisp./Lat. 88.5 91.7 86.2 -5.5 91.4 94.3 672975On Target
Nat. Haw. or Pacif. Isl. ----------
WhiteCPI = 85.9, Target = 92.1 - White75 or Higher WhiteWhite CPI = 85.9, Target = 92.1 75 or Higher White 86.5 88.3 85.9 -2.4 92.1 93.3 6736175On Target
Summary > 2016
2016 English Language Arts Extra Credit
  Extra credit for increasing % Advanced (10% or more) Extra credit for decreasing % Warning/Failing (10% or more)
2015
% Advanced		 2016
% Advanced		 N PPI Points 2015
% Warning/Failing		 2016
% Warning/Failing		 N PPI Points
All students 49.1 54.4116025 0.0 0.111600
High needs 46.1 56.224925 0.0 0.024925
Econ. Disadvantaged 48.8 57.821125 0.0 0.021125
EL and Former EL--17---17-
Students w/ disabilities--30---30-
Amer. Ind. or Alaska Nat.--2---2-
Asian 55.8 55.83300 0.0 0.033025
Afr. Amer./Black 42.5 55.010025 0.0 0.010025
Hispanic/Latino 41.0 57.115625 0.0 0.61560
Multi-race, Non-Hisp./Lat. 57.5 66.74225 0.0 0.04225
Nat. Haw. or Pacif. Isl.--------
White 47.3 51.95300 0.0 0.053025
Summary > 2016
2016 Mathematics Extra Credit
  Extra credit for increasing % Advanced (10% or more) Extra credit for decreasing % Warning/Failing (10% or more)
2015
% Advanced		 2016
% Advanced		 N PPI Points 2015
% Warning/Failing		 2016
% Warning/Failing		 N PPI Points
All students 62.6 78.5115125 0.5 0.1115125
High needs 63.6 79.924925 0.0 0.42490
Econ. Disadvantaged 65.2 81.521125 0.0 0.52110
EL and Former EL--17---17-
Students w/ disabilities--30---30-
Amer. Ind. or Alaska Nat.--2---2-
Asian 76.0 85.833025 0.3 0.033025
Afr. Amer./Black 56.3 79.010025 0.0 0.010025
Hispanic/Latino 54.8 73.715625 0.0 0.015625
Multi-race, Non-Hisp./Lat. 63.4 92.94225 0.0 0.04225
Nat. Haw. or Pacif. Isl.--------
White 57.3 73.952125 0.8 0.252125
Summary > 2016
2016 Science Extra Credit
  Extra credit for increasing % Advanced (10% or more) Extra credit for decreasing % Warning/Failing (10% or more)
2015
% Advanced		 2016
% Advanced		 N PPI Points 2015
% Warning/Failing		 2016
% Warning/Failing		 N PPI Points
All students 31.4 28.48070 1.6 2.08070
High needs 26.0 25.71790 2.7 1.117925
Econ. Disadvantaged 25.2 27.915425 1.5 0.615425
EL and Former EL--6---6-
Students w/ disabilities--23---23-
Amer. Ind. or Alaska Nat.--------
Asian 35.3 35.62160 0.4 0.92160
Afr. Amer./Black 23.3 28.08225 0.0 3.7820
Hispanic/Latino 27.2 27.71190 3.7 2.511925
Multi-race, Non-Hisp./Lat. 29.6 27.6290 0.0 0.02925
Nat. Haw. or Pacif. Isl.--------
White 31.6 24.43610 2.3 2.23610
Summary > 2016
2016 English Language Arts Growth
  0 10 20 30 40 50 60 70 80 90 100 2015 SGP 2016 SGP SGP Change 6 Year Goal Met Safe Harbor? N PPI Points Rating
All studentsSGP = 49, Target = 51 - All Students75 or Higher All StudentsAll Students SGP = 49, Target = 51 75 or Higher All Students 52.0 49.0 -3.0 51.0Yes101575On Target
High needsSGP = 49, Target = 51 - High needs75 or Higher High needsHigh needs SGP = 49, Target = 51 75 or Higher High needs 48.0 49.0 1.0 51.0Yes22975On Target
Econ. DisadvantagedSGP = 52, Target = 51 - Econ. DisadvantagedEcon. Disadvantaged-SGP = 52, Target = 5175 or Higher Econ. Disadvantaged 49.0 52.0 3.0 51.0Yes19975On Target
EL and Former EL --- 51.0-13--
Students w/ disabilities --- 51.0-24--
Amer. Ind. or Alaska Nat. --- 51.0-2--
AsianSGP = 49, Target = 51 - Asian75 or Higher AsianAsian SGP = 49, Target = 51 75 or Higher Asian 56.0 49.0 -7.0 51.0Yes30275On Target
Afr. Amer./BlackSGP = 49, Target = 51 - Afr. Amer./Black75 or Higher Afr. Amer./BlackAfr. Amer./Black SGP = 49, Target = 51 75 or Higher Afr. Amer./Black 51.0 49.0 -2.0 51.0No9150Below Target
Hispanic/LatinoSGP = 46, Target = 51 - Hispanic/Latino75 or Higher Hispanic/LatinoHispanic/Latino SGP = 46, Target = 51 75 or Higher Hispanic/Latino 47.0 46.0 -1.0 51.0Yes13675On Target
Multi-race, Non-Hisp./Lat.SGP = 60.5, Target = 51 - Multi-race, Non-Hisp./Lat.Multi-race, Non-Hisp./Lat.-SGP = 60.5, Target = 51SGP = 60.5, Target = 5175 or Higher Multi-race, Non-Hisp./Lat. 75.0 60.5 -14.5 51.0No38100Above Target
Nat. Haw. or Pacif. Isl. --- 51.0----
WhiteSGP = 47, Target = 51 - White75 or Higher WhiteWhite SGP = 47, Target = 51 75 or Higher White 50.0 47.0 -3.0 51.0Yes44675On Target
Summary > 2016
2016 Mathematics Growth
  0 10 20 30 40 50 60 70 80 90 100 2015 SGP 2016 SGP SGP Change 6 Year Goal Met Safe Harbor? N PPI Points Rating
All studentsSGP = 54, Target = 51 - All StudentsAll Students-SGP = 54, Target = 51SGP = 54, Target = 5175 or Higher All Students 48.0 54.0 6.0 51.0Yes98175On Target
High needsSGP = 48, Target = 51 - High needs75 or Higher High needsHigh needs SGP = 48, Target = 51 75 or Higher High needs 46.0 48.0 2.0 51.0Yes22775On Target
Econ. DisadvantagedSGP = 48, Target = 51 - Econ. Disadvantaged75 or Higher Econ. DisadvantagedEcon. Disadvantaged SGP = 48, Target = 51 75 or Higher Econ. Disadvantaged 46.0 48.0 2.0 51.0Yes19975On Target
EL and Former EL --- 51.0-11--
Students w/ disabilities --- 51.0-24--
Amer. Ind. or Alaska Nat. --- 51.0-2--
AsianSGP = 52.5, Target = 51 - AsianAsian-SGP = 52.5, Target = 51SGP = 52.5, Target = 5175 or Higher Asian 52.5 52.5 0.0 51.0Yes29075On Target
Afr. Amer./BlackSGP = 50, Target = 51 - Afr. Amer./BlackAfr. Amer./Black-SGP = 50, Target = 5175 or Higher Afr. Amer./Black 36.0 50.0 14.0 51.0Yes8975On Target
Hispanic/LatinoSGP = 46.5, Target = 51 - Hispanic/Latino75 or Higher Hispanic/LatinoHispanic/Latino SGP = 46.5, Target = 51 75 or Higher Hispanic/Latino 39.0 46.5 7.5 51.0Yes13275On Target
Multi-race, Non-Hisp./Lat.SGP = 59, Target = 51 - Multi-race, Non-Hisp./Lat.Multi-race, Non-Hisp./Lat.-SGP = 59, Target = 51SGP = 59, Target = 5175 or Higher Multi-race, Non-Hisp./Lat. 42.0 59.0 17.0 51.0Yes36100Above Target
Nat. Haw. or Pacif. Isl. --- 51.0----
WhiteSGP = 56, Target = 51 - WhiteWhite-SGP = 56, Target = 51SGP = 56, Target = 5175 or Higher White 49.0 56.0 7.0 51.0Yes43275On Target
Summary > 2016
2016 Extra credit for English language proficiency growth
  2016 SGPA 2016 Target SGPA N Included PPI Points
All students- 60.01.00-
High needs- 60.01.00-
EL and Former EL- 60.01.00-
Summary > 2016
2015 4-Year Cohort Graduation Rate
  0 10 20 30 40 50 60 70 80 90 100 2014 Rate 2015 Rate Change Annual Target 6 Year Goal N PPI Points Rating
All studentsCohort Graduation Rate = 99.1, Target = 80 - All StudentsAll Students-Cohort Graduation Rate = 99.1, Target = 80Cohort Graduation Rate = 99.1, Target = 8075 or Higher All Students 97.1 99.1 2.0 80.0 90.0352100Above Target
High needsCohort Graduation Rate = 100, Target = 80 - High needsHigh needs-Cohort Graduation Rate = 100, Target = 80Cohort Graduation Rate = 100, Target = 8075 or Higher High needs 97.5 100.0 2.5 80.0 90.0142100Above Target
Econ. Disadvantaged --- 80.0 90.0---
EL and Former EL --- 80.0 90.01--
Students w/ disabilities --- 80.0 90.05--
Amer. Ind. or Alaska Nat. --- 80.0 90.0---
AsianCohort Graduation Rate = 100, Target = 80 - AsianAsian-Cohort Graduation Rate = 100, Target = 80Cohort Graduation Rate = 100, Target = 8075 or Higher Asian 99.2 100.0 0.8 80.0 90.0108100Above Target
Afr. Amer./BlackCohort Graduation Rate = 96.4, Target = 80 - Afr. Amer./BlackAfr. Amer./Black-Cohort Graduation Rate = 96.4, Target = 80Cohort Graduation Rate = 96.4, Target = 8075 or Higher Afr. Amer./Black 91.7 96.4 4.7 80.0 90.028100Above Target
Hispanic/LatinoCohort Graduation Rate = 100, Target = 80 - Hispanic/LatinoHispanic/Latino-Cohort Graduation Rate = 100, Target = 80Cohort Graduation Rate = 100, Target = 8075 or Higher Hispanic/Latino 96.7 100.0 3.3 80.0 90.033100Above Target
Multi-race, Non-Hisp./Lat. --- 80.0 90.012--
Nat. Haw. or Pacif. Isl. --- 80.0 90.0---
WhiteCohort Graduation Rate = 98.8, Target = 80 - WhiteWhite-Cohort Graduation Rate = 98.8, Target = 80Cohort Graduation Rate = 98.8, Target = 8075 or Higher White 97.0 98.8 1.8 80.0 90.0171100Above Target
Summary > 2016
2014 5-Year Cohort Graduation Rate
  0 10 20 30 40 50 60 70 80 90 100 2013 Rate 2014 Rate Change Annual Target 6 Year Goal N PPI Points Rating
All studentsCohort Graduation Rate = 98.7, Target = 85 - All StudentsAll Students-Cohort Graduation Rate = 98.7, Target = 85Cohort Graduation Rate = 98.7, Target = 8575 or Higher All Students 98.9 98.7 -0.2 85.0 95.0378100Above Target
High needsCohort Graduation Rate = 98.1, Target = 85 - High needsHigh needs-Cohort Graduation Rate = 98.1, Target = 85Cohort Graduation Rate = 98.1, Target = 8575 or Higher High needs 98.8 98.1 -0.7 85.0 95.0159100Above Target
Econ. Disadvantaged --- 85.0 95.0---
EL and Former EL --- 85.0 95.04--
Students w/ disabilities --- 85.0 95.06--
Amer. Ind. or Alaska Nat. --- 85.0 95.0---
AsianCohort Graduation Rate = 99.2, Target = 85 - AsianAsian-Cohort Graduation Rate = 99.2, Target = 85Cohort Graduation Rate = 99.2, Target = 8575 or Higher Asian 98.4 99.2 0.8 85.0 95.0121100Above Target
Afr. Amer./BlackCohort Graduation Rate = 97.9, Target = 85 - Afr. Amer./BlackAfr. Amer./Black-Cohort Graduation Rate = 97.9, Target = 85Cohort Graduation Rate = 97.9, Target = 8575 or Higher Afr. Amer./Black 100.0 97.9 -2.1 85.0 95.048100Above Target
Hispanic/LatinoCohort Graduation Rate = 100, Target = 85 - Hispanic/LatinoHispanic/Latino-Cohort Graduation Rate = 100, Target = 85Cohort Graduation Rate = 100, Target = 8575 or Higher Hispanic/Latino 100.0 100.0 0.0 85.0 95.030100Above Target
Multi-race, Non-Hisp./Lat. --- 85.0 95.012--
Nat. Haw. or Pacif. Isl. --- 85.0 95.01--
WhiteCohort Graduation Rate = 98.2, Target = 85 - WhiteWhite-Cohort Graduation Rate = 98.2, Target = 85Cohort Graduation Rate = 98.2, Target = 8575 or Higher White 98.8 98.2 -0.6 85.0 95.0166100Above Target
Summary > 2016
2015 Annual Dropout Rate
  0  2  4  6  8  10 12  14 16  18 20 Baseline Rate 2014 Rate 2015 Rate Change Annual Target 6 Year Goal Dropout Percentile in School Type N PPI Points Rating
All studentsDropout Rate = 0.1, Target = 0.1Dropout Rate 75 or Higher All Students 0.1 0.1 0.1 0.0 0.1 0.1881621100Above Target
High needsDropout Rate = 0, Target = 0Dropout Rate 75 or Higher High needs 0.0 0.2 0.0 0.2 0.0 0.091264100Above Target
Econ. Disadvantaged  0.0---- 0.0-241--
EL and Former EL ----------
Students w/ disabilities -------21--
Amer. Ind. or Alaska Nat. ----------
AsianDropout Rate = 0, Target = 0Dropout Rate 75 or Higher Asian 0.0 0.0 0.0 0.0 0.0 0.067476100Above Target
Afr. Amer./BlackDropout Rate = 0, Target = 0.3Dropout Rate 75 or Higher Afr. Amer./Black 0.5 0.0 0.0 0.0 0.3 0.382164100Above Target
Hispanic/LatinoDropout Rate = 0.5, Target = 0Dropout Rate 75 or Higher Hispanic/Latino 0.0 0.0 0.5 -0.5 0.0 0.06919325No Change
Multi-race, Non-Hisp./Lat.Dropout Rate = 0, Target = 0Dropout Rate 75 or Higher Multi-race, Non-Hisp./Lat. 0.0 0.0 0.0 0.0 0.0 0.07148100Above Target
Nat. Haw. or Pacif. Isl. -------2--
WhiteDropout Rate = 0.1, Target = 0Dropout Rate 75 or Higher White 0.0 0.3 0.1 0.2 0.0 0.083738100Above Target
Extra Credit for Reengaging Dropouts (2 or more)
  2015 Number of Dropouts Reengaged PPI Points
All students--
High needs--
Summary > 2016
2016 Assessment Participation
  English Language Arts Mathematics Science
Enrolled Assessed % Met Target (95%) Enrolled Assessed % Met Target (95%) Enrolled Assessed % Met Target (95%)
All students1210116196Yes1210115295Yes82080798Yes
High needs25724997Yes25724997Yes18017999Yes
Econ. Disadvantaged21821197Yes21821197Yes154154100Yes
EL and Former EL17---17---6---
Students w/ disabilities313097Yes313097Yes24---
Amer. Ind. or Alaska Nat.2---2-------
Asian33833098Yes33833098Yes21821699Yes
Afr. Amer./Black10310097Yes10310097Yes8282100Yes
Hispanic/Latino16115697Yes16115697Yes12011999Yes
Multi-race, Non-Hisp./Lat.444295Yes444295Yes2929100Yes
Nat. Haw. or Pacif. Isl.------------
White56253194No56252293No37136197Yes

NOTE: In 2016, assessment participation was calculated two ways: First, the 2016 participation rate for each subgroup in each subject area test was calculated. If the actual 2016 participation rate was lower than 95 percent for any group in any subject, that rate was compared to the average of the most recent two years of assessment participation data for that group and subject. The higher of the two resulting rates was factored into the assignment of the school or district's 2016 accountability and assistance level.

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