Alternative Education-San Joaquin High School had the most fourth-grade students enrolled in California with 1,331.
According to the National Center for Education Services, California is expected to see public and secondary school enrollment decrease three percent from 2017-2029. The state expected to see the largest drop in enrollment is New Mexico with a projected 12 percent decrease, while Washington D.C. is expected to see a 14 percent increase over the same time period.
In a survey conducted by the Public Policy Institute of California, seven percent of respondents said large class sizes was the biggest issue facing California's K-12 schools. In the same survey, 50 percent of the respondents said they did not view the financial resources their local public school was getting as adequate.
| Rank | School | Attendance |
|---|---|---|
| 1 | Alternative Education-San Joaquin High School | 1,331 |
| 2 | River Springs Charter School | 673 |
| 3 | Inspire Charter School - Kern | 640 |
| 4 | Highlands Elementary School | 452 |
| 5 | Pacific Coast Academy | 436 |
| 6 | Heartland Charter School | 433 |
| 7 | Visions In Education | 388 |
| 8 | iLEAD Hybrid School | 377 |
| 9 | Inspire Charter School - South | 372 |
| 10 | California Virtual Academy @ Los Angeles | 353 |
| 11 | Ocean Grove Charter School | 345 |
| 12 | Old River Elementary School | 316 |
| 13 | Mark Twain Elementary School | 275 |
| 14 | Warm Springs Elementary School | 271 |
| 15 | Roosevelt Elementary School | 270 |
| 16 | Vaughn Next Century Learning Center | 263 |
| 17 | Community Collaborative Virtual - Sage Oak Charter School | 251 |
| 18 | California Virtual Academy @ San Diego | 250 |
| 19 | Ronald Reagan Elementary School | 235 |
| 20 | Sunset Elementary School | 223 |
| 21 | Summit Charter Academy | 217 |
| 22 | Capistrano Connections Academy | 215 |
| 23 | Ronald W. Reagan Elementary School | 213 |
| 24 | McCabe Elementary School | 206 |
| 25 | Monte Vista High School | 200 |
| 25 | Triple Crown Elementary School | 200 |
| 25 | Harada Elementary School | 200 |
| 28 | Inspire Charter School - Central | 199 |
| 29 | Cole Canyon Elementary School | 197 |
| 30 | South Sutter Charter School | 196 |
| 31 | Horizon Charter School | 193 |
| 32 | Freedom Elementary School | 191 |
| 33 | Valley Center Elementary School | 190 |
| 33 | Myrtle Avenue Elementary School | 190 |
| 33 | Community Outreach Academy | 190 |
| 36 | Clara Barton Elementary School | 187 |
| 37 | Sherman Oaks Center for Enriched Studies | 186 |
| 38 | Fenton Avenue Charter School | 185 |
| 38 | Lisa J. Mails Elementary School | 185 |
| 38 | San Elijo Elementary School | 185 |
| 41 | J.M. Amador Elementary School | 184 |
| 42 | Ronald Reagan Elementary School | 183 |
| 43 | Brooks Elementary School | 182 |
| 44 | Literacy First Charter School | 181 |
| 44 | Grant Elementary School | 181 |
| 46 | Pioneer Elementary School | 180 |
| 46 | Arthur E. Mills Intermediate | 180 |
| 48 | Classical Academy | 179 |
| 48 | Sky Mountain Charter School | 179 |
| 48 | Valle Verde Elementary School | 179 |
| 51 | Zamorano Elementary School | 178 |
| 51 | Louis E. Stocklmeir Elementary School | 178 |
| 53 | Cal Aero Preserve Academy | 177 |
| 53 | Quail Run Elementary School | 177 |
| 55 | Foster City Elementary School | 175 |
| 55 | Zehnder Ranch Elementary School | 175 |
| 57 | Bessie E. Owens Intermediate | 173 |
| 57 | Zela Davis School | 173 |
| 57 | Alamos Elementary School | 173 |
| 60 | Greenville Fundamental Elementary School | 172 |
| 60 | R.D. White Elementary School | 172 |
| 60 | Oso Grande Elementary School | 172 |
| 63 | John L. Golden Elementary School | 170 |
| 63 | Ridgeview Elementary School | 170 |
| 63 | Hooper Avenue Elementary School | 170 |
| 63 | Roosevelt Elementary School | 170 |
| 67 | Hacienda Elementary School | 169 |
| 68 | Corona Avenue Elementary School | 168 |
| 69 | Joe Stefani School | 167 |
| 69 | Carroll Elementary School | 167 |
| 71 | Bernhard Marks Elementary School | 166 |
| 71 | Art Haycox Elementary School | 166 |
| 71 | Madison Elementary School | 166 |
| 71 | Union Avenue Elementary School | 166 |
| 75 | Park Hill Elementary School | 165 |
| 75 | Castle Rock Elementary School | 165 |
| 75 | Kester Avenue Elementary School | 165 |
| 75 | California Virtual Academy @ San Joaquin | 165 |
| 79 | Fortune School | 164 |
| 79 | Coastal Academy | 164 |
| 79 | Dooley Elementary School | 164 |
| 82 | Ocia A. Peters Elementary School | 163 |
| 82 | Rosa Parks Elementary School | 163 |
| 84 | Mark Keppel Elementary School | 162 |
| 84 | Riverside Preparatory | 162 |
| 84 | Solana Pacific Elementary School | 162 |
| 84 | Hicks Canyon Elementary School | 162 |
| 88 | Miles Avenue Elementary School | 160 |
| 88 | Alicante Avenue Elementary School | 160 |
| 90 | Excelsior Elementary School | 159 |
| 90 | Bautista Creek Elementary School | 159 |
| 90 | Lincoln Elementary School | 159 |
| 90 | Monterey Ridge Elementary School | 159 |
| 94 | La Gloria Elementary School | 158 |
| 94 | Lomita Math/Science/Technology Magnet | 158 |
| 94 | Lafayette Elementary School | 158 |
| 94 | Enrique S. Camarena Elementary School | 158 |
| 94 | Del Sur Elementary School | 158 |
| 94 | Ronald Reagan Elementary School | 158 |
| 100 | Foothill Ranch Elementary School | 157 |
| 100 | Bell Gardens Elementary School | 157 |
| 100 | California Montessori Project-San Juan Campus | 157 |
| 100 | Pioneer Elementary School | 157 |
| 100 | Pico Canyon Elementary School | 157 |
| 105 | Edith B. Storey Elementary School | 156 |
| 105 | Pacoima Charter Elementary School | 156 |
| 105 | Hawking S.T.E.A.M. Charter School | 156 |
| 108 | Rio Vista School of Applied Learning | 155 |
| 108 | Lake Forest Elementary School | 155 |
| 108 | Middleton Street Elementary School | 155 |
| 108 | John Green Elementary School | 155 |
| 108 | Eastvale Elementary School | 155 |
| 108 | Esperanza Elementary School | 155 |
| 108 | French Valley Elementary School | 155 |
| 115 | Jim Thorpe Fundamental | 154 |
| 115 | Hickory Elementary School | 154 |
| 115 | Budlong Avenue Elementary School | 154 |
| 115 | Addams Elementary School | 154 |
| 115 | Buena Vista Elementary School | 154 |
| 115 | Starlight Elementary School | 154 |
| 115 | Arlene Hein Elementary School | 154 |
| 122 | Mary Tsukamoto Elementary School | 153 |
| 122 | McCabe Elementary School | 153 |
| 122 | Granite Pointe Elementary School | 153 |
| 125 | Pepper Drive Elementary School | 152 |
| 125 | Whittier Elementary School | 152 |
| 125 | Theodore Roosevelt Elementary School | 152 |
| 125 | Victor Elementary School | 152 |
| 125 | Dr. Bernice Jameson Todd Academy | 152 |
| 125 | Vista del Mar Elementary School | 152 |
| 131 | David W. Long Elementary School | 151 |
| 131 | Euclid Avenue Elementary School | 151 |
| 131 | Lasselle Elementary School | 151 |
| 134 | Ysabel Barnett Elementary School | 150 |
| 134 | Balboa Gifted/High Ability Magnet Elementary School | 150 |
| 134 | Garretson Elementary School | 150 |
| 134 | Newhall Elementary School | 150 |
| 134 | Ninety-Third Street Elementary School | 150 |
| 134 | Whittier Elementary School | 150 |
| 134 | Thomas Jefferson Elementary School | 150 |
| 134 | Mark Twain Elementary School | 150 |
| 142 | Coyote Creek Elementary School | 149 |
| 142 | Victoriano Elementary School | 149 |
| 142 | Merritt Trace Elementary School | 149 |
| 142 | Golden West Elementary School | 149 |
| 142 | Peter Burnett Elementary School | 149 |
| 142 | Vintage Math/Science/Technology Magnet | 149 |
| 142 | Rowan Avenue Elementary School | 149 |
| 142 | Fairview Elementary School | 149 |
| 142 | Fremont Elementary School | 149 |
| 142 | Crossroads Elementary School | 149 |
| 142 | Mesa View Elementary School | 149 |
| 142 | Temecula Luiseno Elementary School | 149 |
| 142 | Dr.J. Michael McGrath Elementary School | 149 |
| 155 | Noralto Elementary School | 148 |
| 155 | Murrieta Elementary School | 148 |
| 155 | Betsy Ross Elementary School | 148 |
| 155 | Bryson Avenue Elementary School | 148 |
| 155 | Eucalyptus School | 148 |
| 155 | Alpine Vista Elementary School | 148 |
| 161 | Ronald Reagan Elementary School | 147 |
| 161 | Valle Vista Elementary School | 147 |
| 161 | Rio San Gabriel Elementary School | 147 |
| 161 | Ed C. Lewis Elementary School | 147 |
| 161 | Dry Creek Elementary School | 147 |
| 161 | Arroyo Elementary School | 147 |
| 161 | Empire Springs Charter School | 147 |
| 161 | May Ranch Elementary School | 147 |
| 161 | Susan La Vorgna Elementary School | 147 |
| 170 | John F. Kennedy Elementary School | 146 |
| 170 | South/West Park Elementary School | 146 |
| 170 | Jefferson Elementary School | 146 |
| 170 | Abraham Lincoln Elementary School | 146 |
| 170 | Carpenter Community Charter School | 146 |
| 170 | Saburo Muraoka Elementary School | 146 |
| 170 | Alta California Elementary School | 146 |
| 177 | Sundown Elementary School | 145 |
| 177 | Armada Elementary School | 145 |
| 177 | Heinz Kaiser Elementary School | 145 |
| 177 | Sherwood Elementary School | 145 |
| 177 | Ninety-Fifth Street Elementary School | 145 |
| 177 | Moffett Elementary School | 145 |
| 177 | Tony Tobin Elementary School | 145 |
| 177 | Stone Ranch Elementary School | 145 |
| 177 | Estudillo Elementary School | 145 |
| 186 | Robert Bruce Elementary School | 144 |
| 186 | Elk Grove Elementary School | 144 |
| 186 | Washington Elementary School | 144 |
| 186 | Welby Way Charter Elementary School And Gifted-High Ability Magnet | 144 |
| 186 | Amestoy Elementary School | 144 |
| 186 | Longfellow Elementary School | 144 |
| 186 | Jefferson Elementary School | 144 |
| 186 | Heber Elementary School | 144 |
| 186 | Bella Vista Elementary School | 144 |
| 186 | Double Peak Elementary School | 144 |
| 186 | Mission Crest Elementary School | 144 |
| 186 | Crowne Hill Elementary School | 144 |
| 186 | Monte Vista Elementary School | 144 |
| 199 | Berkshire Elementary School | 143 |
| 199 | Cottonwood Elementary School | 143 |

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