Every California county office of education is part of one of 11 MPLP service regions. Click a region on the map — or browse the cards below — to see its lead COE, contact, and the coaches and admins shaping math learning where you work.
Region 1 anchors MPLP work along California's North Coast — five counties spanning small rural districts to mid-sized coastal systems, with a focus on multi-grade math routines and…
Seven northeastern counties — many serving fewer than 5,000 students each — collaborate through Region 2 to share coaching capacity across vast distances. The 2026 focus is on buil…
Region 3 brings together six Sacramento Valley counties in a tight peer network of K–12 coaches. Recent emphasis has been on translating the 2023 California Math Framework into sch…
Region 4 is one of MPLP's largest service areas — nine counties stretching from Sacramento east into the Sierra. Its work emphasizes admin engagement and Module PL cohorts for inst…
Six Central Coast counties anchor Region 5's RIC. Coaches across the region focus on multilingual learner mathematics, with strong cross-county collaboration through quarterly faci…
Region 6 serves six Central Valley counties with significant agricultural and migrant student populations. The 2026–27 priority is sustaining ongoing coach cohorts while expanding…
Region 7 anchors MPLP statewide — Kern County serves as the lead agency for the partnership while also coordinating regional work across the southern Central Valley and Eastern Sie…
California's largest county by area, Region 8 contains 33 school districts ranging from urban San Bernardino to remote high-desert systems. The RIC emphasizes longitudinal data too…
Region 9 covers San Diego and Imperial counties — high cross-border student mobility, dense urban districts in the south, and rural agricultural communities to the east. Coaches he…
Region 10 serves Riverside County's 23 districts, spanning Coachella Valley to the Inland Empire. The 2026 focus is on TK–2 math foundations and supporting paraprofessionals as par…
Region 11 is MPLP's largest by student enrollment — over 1.4 million K–12 students across LA and Orange counties. Coach cohorts focus on instructional coherence across charter, dis…