Percentage of students exceeding or meeting expectations
Org Name Desc 2019 2020 2021 2022 2023 N 13 8 23 20 # 6 -- 8 14 Petersham Center % 46% 35% 70% N           #           Select a Comparable School %           N 67,900 63,613 64,584 64,164 # 38,097 32,281 28,404 28,149 State % 56% 51% 44% 44%		Org Name Desc 2019 2020 2021 2022 2023 N 13   8 23 20 # 2   -- 2 10 Petersham Center % 15% 9% 50% N           #           Select a Comparable School %           N 67,998   63,599 64,650 64,275 # 33,480   21,250 26,569 26,363 State % 49% 33% 41% 41%
Average Scaled Scores
Org Name Desc 2019 2020 2021 2022 2023 N 13 8 23 20 # 6 -- 8 14 Petersham Center Avg.SS 502.9     488.7 499.3 N           #           Select a Comparable School Avg.SS           N 67,900 63,613 64,584 64,164 # 38,097 32,281 28,404 28,149 State Avg.SS 504.1   499.5 496.5 495.0		Org Name Desc 2019 2020 2021 2022 2023 N 13   8 23 20 # 2   -- 2 10 Petersham Center Avg.SS 485.5     476.7 493.2 N           #           Select a Comparable School Avg.SS           N 67,998   63,599 64,650 64,275 # 33,480   21,250 26,569 26,363 State Avg.SS 499.4   488.1 493.3 494.1
Average student growth percentiles (SGP)
Org Name Desc 2019 2020 2021 2022 2023 N -- Petersham Center SGP N Select a Comparable School SGP N State SGP		Org Name Desc 2019 2020 2021 2022 2023 N -- Petersham Center SGP N Select a Comparable School SGP N State SGP