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Thomas Ditson
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2016 Accountability Data - Thomas Ditson
Organization Information
District:Billerica (00310000)School type:Elementary School
School:Thomas Ditson (00310005)Grades served:K,01,02,03,04,05
Region:NortheastTitle I status:Non-Title I School (NT)
Accountability and Assistance Level:Level 2
 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 = 84.2, Target = 90.7CPI = 84.2, Target = 90.7CPI = 84.2, Target = 90.7 84.1 87.6 84.2 -3.4 90.7 92.1 432870Declined
High needsCPI = 69.5, Target = 82.8CPI = 69.5, Target = 82.8CPI = 69.5, Target = 82.8 70.5 75.0 69.5 -5.5 82.8 85.3 23950Declined
Econ. DisadvantagedCPI = 74.5, Target = 79.6CPI = 74.5, Target = 79.6CPI = 74.5, Target = 79.6 77.7 77.7 74.5 -3.2 79.6 88.9 38510Declined
EL and Former EL -------13--
Students w/ disabilitiesCPI = 54.8, Target = 77.4CPI = 54.8, Target = 77.4CPI = 54.8, Target = 77.4 61.2 66.3 54.8 -11.5 77.4 80.6 25520Declined
Amer. Ind. or Alaska Nat. ----------
Asian -------23--
Afr. Amer./Black -------9--
Hispanic/Latino -------16--
Multi-race, Non-Hisp./Lat. -------9--
Nat. Haw. or Pacif. Isl. -------1--
WhiteCPI = 83.7, Target = 90.6CPI = 83.7, Target = 90.6CPI = 83.7, Target = 90.6 83.8 87.4 83.7 -3.7 90.6 91.9 262290Declined
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 = 84.7, Target = 90CPI = 84.7, Target = 90CPI = 84.7, Target = 90 82.9 84.1 84.7 0.6 90.0 91.5 4728750Improved Below Target
High needsCPI = 70.8, Target = 82.3CPI = 70.8, Target = 82.3CPI = 70.8, Target = 82.3 69.6 70.4 70.8 0.4 82.3 84.8 289550Improved Below Target
Econ. DisadvantagedCPI = 77.9, Target = 79.1CPI = 77.9, Target = 79.1CPI = 77.9, Target = 79.1 77.2 77.2 77.9 0.7 79.1 88.6 555175On Target
EL and Former EL -------13--
Students w/ disabilitiesCPI = 56.7, Target = 78.1CPI = 56.7, Target = 78.1CPI = 56.7, Target = 78.1 62.4 62.0 56.7 -5.3 78.1 81.2 27520Declined
Amer. Ind. or Alaska Nat. ----------
Asian -------23--
Afr. Amer./Black -------9--
Hispanic/Latino -------16--
Multi-race, Non-Hisp./Lat. -------9--
Nat. Haw. or Pacif. Isl. -------1--
WhiteCPI = 84.1, Target = 90CPI = 84.1, Target = 90CPI = 84.1, Target = 90 82.8 83.8 84.1 0.3 90.0 91.4 2922950Improved Below 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 = 67.5, Target = 84.2CPI = 67.5, Target = 84.2CPI = 67.5, Target = 84.2 72.9 68.3 67.5 -0.8 84.2 86.5 199725No Change
High needsCPI = 63.6, Target = 73.6CPI = 63.6, Target = 73.6CPI = 63.6, Target = 73.6 54.8 58.3 63.6 5.3 73.6 77.4 373550Improved Below Target
Econ. Disadvantaged -------19--
EL and Former EL -------5--
Students w/ disabilities -------19--
Amer. Ind. or Alaska Nat. ----------
Asian -------4--
Afr. Amer./Black -------3--
Hispanic/Latino -------7--
Multi-race, Non-Hisp./Lat. -------2--
Nat. Haw. or Pacif. Isl. -------1--
WhiteCPI = 67.8, Target = 84.6CPI = 67.8, Target = 84.6CPI = 67.8, Target = 84.6 73.6 68.7 67.8 -0.9 84.6 86.8 78025No Change
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 8.0 11.128725 4.2 7.02870
High needs 3.4 0.0950 13.8 18.9950
Econ. Disadvantaged 4.3 0.0510 10.9 13.7510
EL and Former EL--13---13-
Students w/ disabilities 2.2 0.0520 23.9 34.6520
Amer. Ind. or Alaska Nat.--------
Asian--23---23-
Afr. Amer./Black--9---9-
Hispanic/Latino--16---16-
Multi-race, Non-Hisp./Lat.--9---9-
Nat. Haw. or Pacif. Isl.--1---1-
White 6.6 10.522925 4.0 8.32290
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 23.8 30.028725 6.6 6.62870
High needs 13.8 10.5950 16.1 17.9950
Econ. Disadvantaged 15.2 13.7510 10.9 5.95125
EL and Former EL--13---13-
Students w/ disabilities 8.7 3.8520 19.6 32.7520
Amer. Ind. or Alaska Nat.--------
Asian--23---23-
Afr. Amer./Black--9---9-
Hispanic/Latino--16---16-
Multi-race, Non-Hisp./Lat.--9---9-
Nat. Haw. or Pacif. Isl.--1---1-
White 21.2 27.522925 6.2 7.02290
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 3.8 6.29725 14.3 9.39725
High needs 0.0 0.0350 24.2 14.33525
Econ. Disadvantaged--19---19-
EL and Former EL--5---5-
Students w/ disabilities--19---19-
Amer. Ind. or Alaska Nat.--------
Asian--4---4-
Afr. Amer./Black--3---3-
Hispanic/Latino--7---7-
Multi-race, Non-Hisp./Lat.--2---2-
Nat. Haw. or Pacif. Isl.--1---1-
White 1.3 5.08025 12.7 10.08025
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 = 42, Target = 51SGP = 42, Target = 51SGP = 42, Target = 51 60.0 42.0 -18.0 51.0No17650Below Target
High needsSGP = 43, Target = 51SGP = 43, Target = 51SGP = 43, Target = 51 63.5 43.0 -20.5 51.0No5750Below Target
Econ. DisadvantagedSGP = 42.5, Target = 51SGP = 42.5, Target = 51SGP = 42.5, Target = 51 48.0 42.5 -5.5 51.0No3450Below Target
EL and Former EL --- 51.0-6--
Students w/ disabilitiesSGP = 42, Target = 51SGP = 42, Target = 51SGP = 42, Target = 51 56.5 42.0 -14.5 51.0No2850Below Target
Amer. Ind. or Alaska Nat. --- 51.0----
Asian --- 51.0-10--
Afr. Amer./Black --- 51.0-6--
Hispanic/Latino --- 51.0-10--
Multi-race, Non-Hisp./Lat. --- 51.0-4--
Nat. Haw. or Pacif. Isl. --- 51.0-1--
WhiteSGP = 42, Target = 51SGP = 42, Target = 51SGP = 42, Target = 51 51.0 42.0 -9.0 51.0No14550Below 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 = 38, Target = 51SGP = 38, Target = 51SGP = 38, Target = 51 52.0 38.0 -14.0 51.0No17625Below Target
High needsSGP = 36, Target = 51SGP = 36, Target = 51SGP = 36, Target = 51 46.5 36.0 -10.5 51.0No5725Below Target
Econ. DisadvantagedSGP = 48.5, Target = 51SGP = 48.5, Target = 51SGP = 48.5, Target = 51 53.5 48.5 -5.0 51.0No3450Below Target
EL and Former EL --- 51.0-6--
Students w/ disabilitiesSGP = 28, Target = 51SGP = 28, Target = 51SGP = 28, Target = 51 42.0 28.0 -14.0 51.0No280Below Target
Amer. Ind. or Alaska Nat. --- 51.0----
Asian --- 51.0-10--
Afr. Amer./Black --- 51.0-6--
Hispanic/Latino --- 51.0-10--
Multi-race, Non-Hisp./Lat. --- 51.0-4--
Nat. Haw. or Pacif. Isl. --- 51.0-1--
WhiteSGP = 37, Target = 51SGP = 37, Target = 51SGP = 37, Target = 51 49.0 37.0 -12.0 51.0No14525Below Target
Summary > 2016
2016 Extra credit for English language proficiency growth
  2016 SGPA 2016 Target SGPA N Included PPI Points
All students- 60.011-
High needs- 60.011-
EL and Former EL- 60.011-
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 students291291100Yes292292100Yes9898100Yes
High needs9898100Yes9898100Yes3535100Yes
Econ. Disadvantaged5252100Yes5252100Yes19---
EL and Former EL15---15---5---
Students w/ disabilities5353100Yes5353100Yes19---
Amer. Ind. or Alaska Nat.------------
Asian24---24---4---
Afr. Amer./Black10---10---3---
Hispanic/Latino16---16---7---
Multi-race, Non-Hisp./Lat.9---9---2---
Nat. Haw. or Pacif. Isl.1---1---1---
White231231100Yes232232100Yes8181100Yes

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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