Low-income children in high-fidelity Montessori significantly closed the achievement gap with higher-income children by the end of a longitudinal lottery study¶

Claim · All claims
Evidence · 1 study · review r1 · q2
Currency · newest study 2019 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q2 i? In the Hartford longitudinal lottery study, the income–achievement correlation in Montessori was half that of business-as-usual schools and less than half that of 16 other public magnet schools. → Angeline S. Lillard 2019

Evidence¶

Angeline S. Lillard 2019¶

Angeline S. Lillard. (2019). Shunned and Admired: Montessori, Self-Determination, and a Case for Radical School Reform. Educational Psychology Review. https://doi.org/10.1007/s10648-019-09483-3

q2 · i? · review · r1

The review reports the Lillard et al. (2017) longitudinal lottery study in Hartford, CT, where children were equal on all measures at outset; by end of kindergarten Montessori children performed better in achievement and social cognition, and "the income–achievement correlation in Montessori was half" that of comparison schools.

"The income–achievement correlation in Montessori was half what it was in business-as-usual schools, and even less than half what it was in the 16 other public magnet schools in the study"

Discussion¶

Learner Variables¶

• Socioeconomic Status — moderator: an instructional effect differs by group

Related Claims¶

• Children admitted by random lottery to high-fidelity Montessori schools performed better or the same as waitlisted controls on academic, executive function, and social measures, never worse — related
• Tools of the Mind and Montessori curricula improve children's EFs, with Tools children outperforming controls especially on more EF-demanding conditions — related
• Implementation fidelity matters: classrooms using only Montessori materials produced greater gains than classrooms mixing in other materials — related