Mono County
3 districts · 11 schools · CAASPP data 2019–2026
County-Wide Test Scores (% Proficient or Above)
42.99%
ELA 2025–2026
52.38%
ELA 2019
37.26%
Math 2025–2026
35.62%
Math 2019
6-Year Trend (ELA & Math)
▼ -9.39pp since 2019▲ 1.64pp since 2019
▼ -1.41pp since 2026▲ 2.46pp since 2026
Score Key
Scores show the % of students meeting or exceeding California grade-level standards (CAASPP)
ELAEnglish Language Arts — reading, writing & communication, assessed in grades 3–8 & 11
MathMathematics — problem-solving and quantitative reasoning skills
▲Improved since the comparison year
▼Declined since the comparison year
Mono County Office of Education
SuperintendentTammy Bennett Nguyen
Phone(760) 934-0031
Emailtnguyen@monocoe.org
Websitehttps://www.monocoe.org
Address451 Sierra Park Rd
Mammoth Lakes, CA 93546
Mammoth Lakes, CA 93546
Data last updated: October 2026 • Source: CAASPP 2019-2026
Districts & Schools
⚲
Eastern Sierra Unified
ELA 45.45%Math 28.39%
District Leadership
SuperintendentHeidi Torix
Phone(760) 932-7443
Emailhtorix@esusd.org
Websitehttps://www.esusd.org
Address231 Kingsley Street
Bridgeport, CA 93517
Bridgeport, CA 93517
Score History (% Proficient)
| Year | ELA | Math |
|---|---|---|
| 2019 | 54.46% | 32.84% |
| 2021 | 61.78% | 39.27% |
| 2022 | 58.64% | 38.95% |
| 2023 | 49.27% | 34.63% |
| 2024 | 52.85% | 34.02% |
| 2026 | 45.45% | 28.39% |
ELA Trend
▼ 9.01pp since 2019
Math Trend
▼ 4.45pp since 2019
School Board Members
| Name | Role / Area | Term Exp. |
|---|---|---|
| Ann Aylesworth | Member — Area 5 | — |
| Danielle Dublino | Member — Area 3 | — |
| Penny Galvin | Member — Area 1 | — |
| Ricky McCoy | Member — Area 4 | — |
| Steve Wright | Member — Area 2 | — |
Schools (6)
Antelope Elementary
PrincipalSteven Childs
Phone(530) 495-2231
Emailschilds@esusd.org
Websitewww.esusd.org
Address111527 Highway 395, Coleville, CA 96107
Bridgeport Elementary
PrincipalSarah Robledo
Phone(760) 932-7441
Emailsrobledo@esusd.org
Websitewww.esusd.org
Address209 Kingsley St., Bridgeport, CA 93517
Coleville High
PrincipalSteven Childs
Phone(530) 495-2231
Emailschilds@esusd.org
Websitewww.esusd.org
Address111591 Highway 395, Coleville, CA 96107
Edna Beaman Elementary
PrincipalSarah Robledo
Phone(760) 933-2397
Emailsrobledo@esusd.org
Websitewww.esusd.org
Address25541 Highway 6, Benton, CA 93512
Lee Vining Elementary
PrincipalJeanne Sassin
Phone(760) 647-6460
Emailjsassin@esusd.org
Websitewww.esusd.org
Address132 Lee Vining Ave., Lee Vining, CA 93541
Lee Vining High
PrincipalJeanne Sassin
Phone(760) 647-6366
Emailjsassin@esusd.org
Websitewww.esusd.org
Address51710 Highway 395, Lee Vining, CA 93541
Mammoth Unified
ELA 42.38%Math 39.82%
District Leadership
SuperintendentAnnie Rinaldi
Phone(760) 934-6802
Websitehttps://www.mammothusd.org
Address461 Sierra Park Road
Mammoth Lakes, CA 93546
Mammoth Lakes, CA 93546
Score History (% Proficient)
| Year | ELA | Math |
|---|---|---|
| 2019 | 52.22% | 36.83% |
| 2021 | 68.57% | 26.76% |
| 2022 | 45.64% | 28.6% |
| 2023 | 44.52% | 29.93% |
| 2024 | 41.61% | 35.24% |
| 2026 | 42.38% | 39.82% |
ELA Trend
▼ 9.84pp since 2019
Math Trend
▲ 2.99pp since 2019
School Board Members
| Name | Role / Area | Term Exp. |
|---|---|---|
| Member | — |
Schools (4)
Mammoth Elementary
PrincipalMichelle McMillian
Phone(760) 934-9315
Websitewww.mammothusd.org
Address1500 Meridan Blvd., Mammoth Lakes, CA 93546
Mammoth High
PrincipalCasey O'Neill
Phone(760) 934-6802
Websitewww.mammothusd.org
Address365 Sierra Park Rd., Mammoth Lakes, CA 93546
Mammoth Middle
PrincipalAnnie Rinaldi
Phone(760) 934-9315
Websitewww.mammothusd.org
Address1600 Meridian Blvd., Mammoth Lakes, CA 93546
Sierra High (Continuation)
PrincipalAnnie Rinaldi
Phone(760) 934-6802
Websitewww.mammothusd.org
Address461 Sierra Park Rd., Mammoth Lakes, CA 93546
Mono County Office of Education
ELA —Math —
District Leadership
SuperintendentStacey Adler
Phone(760) 934-0031
Emailsadler@monocoe.org
Websitehttps://www.monocoe.org
Address451 Sierra Park Rd
Mammoth Lakes, CA 93546
Mammoth Lakes, CA 93546
Score History (% Proficient)
| Year | ELA | Math |
|---|---|---|
| 2019 | — | — |
| 2021 | — | — |
| 2022 | — | — |
| 2023 | — | — |
| 2024 | — | — |
| 2026 | — | — |
ELA Trend
since 2021
Math Trend
since 2021
Schools (1)
Urban Corps of San Diego County Charter
PrincipalDan Thomas
Phone(619) 235-6884
Websitehttps://urbancorpssd.org/
Address3127 Jefferson St., San Diego, CA 92110
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