California California Counties Regional Locations Alameda County Sandia/Las Positas High School Regional Science Bowl Alpine County Sacramento High School Regional Science Bowl Amador County Sacramento High School Regional Science Bowl Butte County Far Nor Cal High School Regional Science Bowl Calaveras County California Central Valley High School Regional Science Bowl Colusa County Sacramento High School Regional Science Bowl Contra Costa County Sandia/Las Positas High School Regional Science Bowl Del Norte County Far Nor Cal High School Regional Science Bowl El Dorado County Sacramento High School Regional Science Bowl Fresno County California Central Valley High School Regional Science Bowl Glenn County Far Nor Cal High School Regional Science Bowl Humboldt County Far Nor Cal High School Regional Science Bowl Imperial County Sandia/Las Positas High School Regional Science Bowl Inyo County Sandia/Las Positas High School Regional Science Bowl Kern County California Central Valley High School Regional Science Bowl Kings County California Central Valley High School Regional Science Bowl Lake County Sacramento High School Regional Science Bowl Lassen County Far Nor Cal High School Regional Science Bowl Los Angeles County (excluding Los Angeles Unified School District), CA JPL Los Angeles High School Regional Science Bowl Los Angeles Unified School District, CA LADWP High School Regional Science Bowl Madera County California Central Valley High School Regional Science Bowl Marin County Sacramento High School Regional Science Bowl Mariposa County California Central Valley High School Regional Science Bowl Mendocino County Sacramento High School Regional Science Bowl Merced County California Central Valley High School Regional Science Bowl Modoc County Far Nor Cal High School Regional Science Bowl Mono County California Central Valley High School Regional Science Bowl Monterey County Sandia/Las Positas High School Regional Science Bowl Napa County Sacramento High School Regional Science Bowl Nevada County Far Nor Cal High School Regional Science Bowl Orange County JPL Los Angeles High School Regional Science Bowl Placer County Sacramento High School Regional Science Bowl Plumas County Far Nor Cal High School Regional Science Bowl Riverside County JPL Los Angeles High School Regional Science Bowl Sacramento County Sacramento High School Regional Science Bowl San Benito County Sandia/Las Positas High School Regional Science Bowl San Bernardino County JPL Los Angeles High School Regional Science Bowl San Diego County Sandia/Las Positas High School Regional Science Bowl San Francisco County SLAC High School Regional Science Bowl San Joaquin County California Central Valley High School Regional Science Bowl San Luis Opispo County Sandia/Las Positas High School Regional Science Bowl San Mateo County SLAC High School Regional Science Bowl Santa Barbara County Sandia/Las Positas High School Regional Science Bowl Santa Clara County SLAC High School Regional Science Bowl Santa Cruz County SLAC High School Regional Science Bowl Shasta County Far Nor Cal High School Regional Science Bowl Sierra County Sacramento High School Regional Science Bowl Siskiyou County Far Nor Cal High School Regional Science Bowl Solano County Sandia/Las Positas High School Regional Science Bowl Sonoma County Sacramento High School Regional Science Bowl Stanislaus County California Central Valley High School Regional Science Bowl Sutter County Sacramento High School Regional Science Bowl Tehama County Far Nor Cal High School Regional Science Bowl Trinity County Far Nor Cal High School Regional Science Bowl Tuolumne County Sacramento High School Regional Science Bowl Ventura County Sandia/Las Positas High School Regional Science Bowl Yolo County Sacramento High School Regional Science Bowl Yuba County Sacramento High School Regional Science Bowl
