Impact & evidence

What teachers reported — and what a film recorded a year earlier.

Two ledgers. The 60 Decibels study is 208 Kenyan teachers, interviewed by phone in March 2024. The 2023 documentary is a year-three snapshot. They are not added together.

60 Decibels · April 2024

Teacher-reported, n = 208, Kenya.

Phone interviews in English and Kiswahili, March 2024. Client population 991; response rate 52%; 95% confidence; ±5%. Sponsored by Acumen. These figures are not the 29 August 2026 homepage scale.

94% Quality of life improved (73% very much — top 20% of the education benchmark)

95% Teaching practices improved

86% Less time on administrative tasks

87% Teachers report improved student academics

90% Classroom participation increased

71% Parent engagement improved — teacher-reported

40 NPS — good, below the 60 Decibels education benchmark of 51

40% Reported a challenge (technical, network, data loss)

Female teachers reported deeper impact (NPS 45 vs 34). Teachers who hit a snag sat at NPS 15, against 57 without one. Citing the study means citing both.

Read the full 60 Decibels series in the journal

A year-three film, kept as history.

The documentary and annual report record 20,000 learners, 42 schools, 17 counties and a team of 13. That is a snapshot of 2023. Current scale lives on the home page, dated 29 August 2026.

Watching note: what still holds · YouTube · 2023 report