Percentage of students scoring proficient or higher
2014 2015 2016 2017 2018 N 479 466 448 489 445 # 471 450 439 476 440 Acton-Boxborough % 99% 96% 98% 97% 99% 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 484 469 449 490 445 # 465 445 426 466 425 Acton-Boxborough % 96% 95% 95% 95% 96% 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 470 453 440 475 428 # 449 431 416 455 408 Acton-Boxborough % 96% 95% 95% 96% 95% 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 479 466 448 489 445 # 471 450 439 476 440 Acton-Boxborough CPI 99.60 98.90 99.40 99 99.50 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 484 469 449 490 445 # 465 445 426 466 425 Acton-Boxborough CPI 98.50 97.70 97.60 98.10 98 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 470 453 440 475 428 # 449 431 416 455 408 Acton-Boxborough CPI 98.80 98.10 98.80 98.50 98.20 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 448 438 419 449 Acton-Boxborough SGP 54.5 60.0 57.0 71.0 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 450 438 372 453 Acton-Boxborough SGP 57.0 62.0 75.0 68.0 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 410 Acton-Boxborough SGP 62.0 N   Select a Comparable District SGP N 61,055 State SGP 49.9		2018 N 407 Acton-Boxborough SGP 63.1 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 476 462 442 484 445 # 444 440 413 465 428 Acton-Boxborough % 93% 95% 93% 96% 96% 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 481 465 443 484 445 # 452 412 405 440 409 Acton-Boxborough % 94% 89% 91% 91% 92% 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           #           Acton-Boxborough % N           #           Select a Comparable District %           N           #           State %