Percentage of students scoring proficient or higher
2014 2015 2016 2017 2018 N 270 277 288 255 257 # 268 274 282 251 252 Duxbury % 99% 98% 98% 98% 98% N           #           Select a Comparable District %           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 270 273 288 252 256 # 265 256 268 239 238 Duxbury % 99% 94% 94% 95% 93% N           #           Select a Comparable District %           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 267 265 279 245 253 # 255 246 267 228 239 Duxbury % 95% 93% 95% 94% 94% N           #           Select a Comparable District %           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 270 277 288 255 257 # 268 274 282 251 252 Duxbury CPI 99.70 99.70 99.50 99.10 99.60 N           #           Select a Comparable District 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 270 273 288 252 256 # 265 256 268 239 238 Duxbury CPI 99.30 97.50 97.40 97.60 97.10 N           #           Select a Comparable District 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 267 265 279 245 253 # 255 246 267 228 239 Duxbury CPI 98.30 97.50 98.80 96.90 98 N           #           Select a Comparable District 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 251 247 265 237 Duxbury SGP 66.0 60.0 47.0 53.0 N         Select a Comparable District 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 256 246 269 238 Duxbury SGP 75.0 56.5 50.0 51.0 N         Select a Comparable District 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 245 Duxbury SGP 62.3 N   Select a Comparable District SGP N 61,055 State SGP 49.9		2018 N 244 Duxbury SGP 58.1 N   Select a Comparable District 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 270 277 287 255 256 # 260 268 273 249 241 Duxbury % 96% 97% 95% 98% 94% N           #           Select a Comparable District %           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 270 273 287 252 255 # 254 227 254 219 222 Duxbury % 94% 83% 89% 87% 87% N           #           Select a Comparable District %           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           #           Duxbury % N           #           Select a Comparable District %           N           #           State %