6 cases
1–6

Rising Academies schools
verified evidenceTreatment growth was significantly higher with effect size 0.36 (p<0.001), described as roughly an extra year of learning.

Boston Public Schools
verified evidence50 buses removed in the first implementation year and about $5 million saved, with average ride time remaining about 23 minutes

Sixty-eight English secondary schools in the EEF Teacher Choices trial
verified evidence56.2 minutes in the ChatGPT group, 25.3 minutes or 31% lower.

Georgia State University
mixed evidenceStudents assigned to Pounce were 3.3 percentage points more likely to enroll on time, equivalent to a 21% reduction in summer melt in the peer-reviewed study.

Edo State schools / World Bank study
verified evidence0.310 SD weighted total score; 0.238 SD English skills (abstract reports 0.23; narrative rounds to 0.24)

Large US health system / Optum algorithm
verified evidence46.5% if ranked by actual health need