15700 Old Oak Ranch Road Sonora, CA 95370  |  (209) 532–3691


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Sierra Outdoor School is a ROSS Certified program through the California Outdoor School Association (COSA). Outdoor schools belonging to COSA are owned and operated by county offices of education or independent school districts. The curriculum at these sites is tied to current California state content standards for science and social studies as well as the new Education in the Environment Initiative (EEI) concepts. COSA programs go through a ROSS (Residential Outdoor Science School) certification process every five years that is similar to Western Association of Schools and Colleges (WASC) or Program Quality Review (PQR) and recognized by the California Department of Education as our evaluation tool. COSA affiliated schools are located throughout California and represent the richness in diversity of California's natural landscape.
Your teachers at Sierra Outdoor School are working hard to realign their current classes to the Next Generation Science Standards (NGSS) as they are being developed.
15700 Old Oak Ranch Road
Sonora, CA 95370
(209) 532–3691

Clovis Unified School District programs, activities, and employment shall be free from unlawful discrimination, including discrimination against an individual or group based on race or ethnicity, nationality, disability, gender, gender identity, gender expression, religion, sexual orientation, immigration status, association with a person or group with one or more of these actual or perceived characteristics, or any other basis protected by federal or state laws.

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