PSL Fireside
Esther Diera: math that has to live outside the textbook
Kakamega mathematics and chemistry teacher, PSL Fireside, June 2025. She struggled with maths in Form 1 and 2. Scratch Day at MMUST…
Category: PSL
Problem Solvers League contests, summative sittings and Daily Challenge.
PSL Contest
PSL Mathematics Contest 2024: Grade 8 at Acacia Crest
13 July 2024 at Acacia Crest School, Kitengela — a Grade 8 sitting with individual and team rounds. Medals were announced on…
Paper
How PSL reaches public schools: KEPSHA as the pipe, not the campaign
The Vihiga mechanism: zonal and sub-county chairs authorise schools; teachers then work in Workspace and PSL. Names wait for written permission.
Essay
From assessment data to a Friday staff meeting
How a school uses a PSL insight report to decide what to reteach next week — without reconstructing the term from paper.
PSL Contest
PSL Mathematics Contest 2026: Acacia Crest Edition
Twelve schools, 207 scored scripts, and a paper that asked Grades 7–9 to reason — the published results from the Acacia Crest…
September 21, 2026
PSL termly assessments are helping schools see priority gaps
Schools are using this season’s sitting to guide teacher conversations before the next high-stakes window.
Strategy
Why we built PSL Daily Challenge (and why it changes edtech economics)
School sales are slow and expensive. We asked what happens if families buy practice directly. Daily Challenge is the answer.
