Percentage of students scoring proficient or higher
2014 2015 2016 2017 2018 N -- -- -- 95 152 # -- -- -- 91 133 Roxbury Preparatory Charter School % 95% 88% N           #           Select a Comparable School %           N 70,465 69,751 69,938 70,268 70,532 # 63,214 63,701 63,901 63,887 63,833 State % 89% 91% 92% 91% 91%		2014 2015 2016 2017 2018 N -- -- -- 94 150 # -- -- -- 71 109 Roxbury Preparatory Charter School % 76% 73% N           #           Select a Comparable School %           N 70,607 69,766 69,954 70,340 70,187 # 55,436 54,851 54,359 55,415 54,500 State % 78% 78% 78% 79% 78%		2014 2015 2016 2017 2018 N       90 151 #       73 109 Roxbury Preparatory Charter School % 81% 72% N           #           Select a Comparable School %           N 68,495 67,732 67,941 68,063 67,875 # 48,613 48,530 49,868 50,590 50,532 State % 71% 71% 73% 74% 75%
Composite Performance Index (CPI)
2014 2015 2016 2017 2018 N -- -- -- 95 152 # -- -- -- 91 133 Roxbury Preparatory Charter School CPI       98.40 95.20 N           #           Select a Comparable School CPI           N 70,465 69,751 69,938 70,268 70,532 # 63,214 63,701 63,901 63,887 63,833 State CPI 96 96.70 96.70 96.50 96.20		2014 2015 2016 2017 2018 N -- -- -- 94 150 # -- -- -- 71 109 Roxbury Preparatory Charter School CPI       89.10 87 N           #           Select a Comparable School CPI           N 70,607 69,766 69,954 70,340 70,187 # 55,436 54,851 54,359 55,415 54,500 State CPI 90 89.90 89.70 89.90 89.50		2014 2015 2016 2017 2018 N -- -- -- 90 151 # -- -- -- 73 109 Roxbury Preparatory Charter School CPI       92.20 87.10 N           #           Select a Comparable School CPI           N 68,495 67,732 67,941 68,063 67,875 # 48,613 48,530 49,868 50,590 50,532 State CPI 87.90 88.20 88.90 89.40 89.30
Median student growth percentiles (SGP) (2014 - 2017)
2014 2015 2016 2017 N -- -- -- 91 Roxbury Preparatory Charter School SGP 22.0 N         Select a Comparable School SGP N 61,694 61,218 60,642 60,857 State SGP 50.0 51.0 50.0 50.0		2014 2015 2016 2017 N -- -- -- 91 Roxbury Preparatory Charter School SGP 16.0 N         Select a Comparable School SGP N 61,969 61,548 60,820 60,553 State SGP 50.0 50.0 50.0 50.0
Average student growth percentiles (SGP) (2018)
2018 N 140 Roxbury Preparatory Charter School SGP 32.1 N   Select a Comparable School SGP N 61,055 State SGP 49.9		2018 N 137 Roxbury Preparatory Charter School SGP 17.6 N   Select a Comparable School SGP N 60,804 State SGP 49.9
Percentage of students averaging 2 or above on open response items
2014 2015 2016 2017 2018 N -- -- -- 95 152 # -- -- -- 83 124 Roxbury Preparatory Charter School % 87% 82% N           #           Select a Comparable School %           N 69,602 68,882 69,027 69,366 69,660 # 57,985 59,820 57,875 59,445 57,706 State % 83% 87% 84% 86% 83%		2014 2015 2016 2017 2018 N -- -- -- 94 150 # -- -- -- 53 80 Roxbury Preparatory Charter School % 56% 53% N           #           Select a Comparable School %           N 69,736 68,887 69,032 69,430 69,305 # 50,147 45,240 45,508 46,783 45,707 State % 72% 66% 66% 67% 66%		2014 2015 2016 2017 2018 N           #           Roxbury Preparatory Charter School % N           #           Select a Comparable School %           N           #           State %