Does consistency in programming lead to academic gains in KIPP?

While numerous studies show positive immediate effects of pre-k (Reception), studies also show that these effects usually fade as soon as kindergarten or first grade (Year 1 and Year 2). To discover if consistency in programming from pre-school to elementary (primary) school can extend these positive effects, Virginia Knechtel and colleagues at Mathematica Policy Research (MPR) recently performed the first randomised study of the effectiveness of The Knowledge is Power Program (KIPP) pre-school on second graders (Year 3) who had continued with the KIPP programme into elementary school.

KIPP is a network of 200 elementary and secondary charter schools serving 80,000 pupils in the US, most of whom are low-income and African American or Latino. Admission to KIPP is via lottery. KIPP schools emphasise academics and character development in safe environments that foster pupils’ progression to further education. As part of an i3 scale-up grant, MPR performed a randomised study on the effects of KIPP on elementary to high school pupils, and found positive, statistically significant effects for KIPP pupils. For the pre-school study, the researchers drew their population sample from pupils in the 2015 study who had started KIPP in pre-K (n=97), comparing them to pupils who did not win the KIPP lottery and attended other schools (n=147). At the end of second grade (Year 3), when most pupils had attended KIPP for five years, both reading and maths scores were higher on subtests of the Woodcock-Johnson for KIPP pupils than for control pupils (ES=+0.43 on Letter Word ID, +0.21 for Passage Comprehension, +0.34 for Applied Problems and +0.31 for Calculation). This is not a lasting effect of pre-k, but the cumulative impact of everything KIPP schools did in grades pre-K-2 (Reception to Year 3).

Authors interviewed school staff and identified six key factors that differed between KIPP and non-KIPP programmes. These included that the schools’ structures allow for continuity among year groups, KIPP pre-K is academically focused, and there is a conscious effort to build relationships between school staff and pupils’ families.

Source: Pre-kindergarten impacts over time: An analysis of KIPP charter schools (August 2017), Mathematica Policy Research

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