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Tuolumne County

12 districts  ·  22 schools  ·  CAASPP data 2019–2026

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County-Wide Test Scores (% Proficient or Above)
43.77%
ELA 2025–2026
48.13%
ELA 2019
27.58%
Math 2025–2026
33.92%
Math 2019
6-Year Trend (ELA & Math)
▼ -4.36pp since 2019▼ -6.34pp since 2019
▲ 0.53pp since 2026▼ -3.07pp 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
Tuolumne County Superintendent of Schools
SuperintendentZachary Abernathy
Phone(209) 536-2000
Emailzabernathy@tcsos.us
Websitehttps://www.tcsos.us
Address175 Fairview Ln
Sonora, CA 95370
Data last updated: October 2026  •  Source: CAASPP 2019-2026
Districts & Schools
⚲
Belleview Elementary
ELA 45.54%Math 26.55%
District Leadership
SuperintendentCarmel Portillo
Phone(209) 586-5510
Emailcportillo@mybelleview.org
Websitehttp://mybelleview.org/
Address22736 Kuien Mill Road
Sonora, CA 95370
Score History (% Proficient)
YearELAMath
201934.88%20.93%
202131.71%14.46%
202241.12%23.36%
202348.25%43.86%
202461.47%57.8%
202645.54%26.55%
ELA Trend
▲ 10.66pp since 2019
Math Trend
▲ 5.62pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Carrie PetersenMember2026
Jackie OlavarriaMember2028
Vanessa LassorMember2026
Schools (1)
Belleview Elementary
PrincipalCarmel Portillo
Phone(209) 586-5510
Emailcportillo@mybelleview.org
Websitehttps://www.mybelleview.org
Address22736 Kuien Mill Rd., Sonora, CA 95370
Big Oak Flat-Groveland Unified
ELA 34.71%Math 14.05%
District Leadership
SuperintendentWynette Hilton
Phone(209) 962-5765
Emailwhilton@bofg.org
Websitehttps://www.bofg.org
Address19177 Hwy 120
Groveland, CA 95321
Score History (% Proficient)
YearELAMath
201941.25%17.5%
202126.52%10.53%
202229.03%12.82%
202333.56%13.7%
202433.1%17.02%
202634.71%14.05%
ELA Trend
▼ 6.54pp since 2019
Math Trend
▼ 3.45pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Craig HochhausMember2028
Dawna DoughertyMember2026
Jennifer AhlswedeMember2028
Lori ReynoldsMember2026
Michelle CoppockMember2028
Schools (3)
Don Pedro High
PrincipalClair Lamm
Phone(209) 852-2864
Emailnlamm@bofg.org
Websitehttps://www.bofg.org/schools/don-pedro/
Address3090 Merced Falls Rd., La Grange, CA 95329
Tenaya Elementary
PrincipalWynette Hilton
Phone(209) 962-7846
Emailwhilton@bofg.org
Websitehttps://www.bofg.org/schools/tenaya-elementary/
Address19177 Highway 120, Groveland, CA 95321
Tioga High
PrincipalWynette Hilton
Phone(209) 962-4763
Emailwhilton@bofg.org
Websitewww.bofg.org
Address19304 Ferretti Rd., Groveland, CA 95321
Columbia Union
ELA 32.52%Math 21.33%
District Leadership
SuperintendentNicolas Wade
Phone(209) 532-0202
Emailnwade@cusd49.com
Websitehttps://www.cusd49.com/
Address22540 Parrotts Ferry Road
Columbia, CA 95310
Score History (% Proficient)
YearELAMath
201940.81%31.46%
202130.47%22.48%
202237.26%23.48%
202338.31%27.82%
202437.69%31.15%
202632.52%21.33%
ELA Trend
▼ 8.29pp since 2019
Math Trend
▼ 10.13pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Cody OpieMember—
Eric SegestromMember—
Jamie SerranoMember—
Jeff WittmanMember—
Tom StewartMember—
Schools (1)
Columbia Elementary
PrincipalRebekah Wood
Phone(209) 533-7700
Emailrwood@cusd49.com
Websitewww.cusd49.com
Address22540 Parrotts Ferry Rd., Columbia, CA 95310
Curtis Creek Elementary
ELA 31.84%Math 21.51%
District Leadership
SuperintendentDawn Mori
Phone(209) 533-1083
Emaildmori@ccreekmustangs.com
Websitehttps://www.curtiscreekschool.com/
Address18755 Standard Road
Sonora, CA 95370
Score History (% Proficient)
YearELAMath
201947.62%36.19%
202139.12%28.57%
202235.69%35.03%
202334.83%29.76%
202430.8%22.81%
202631.84%21.51%
ELA Trend
▼ 15.78pp since 2019
Math Trend
▼ 14.68pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Ashley BoujikianMember—
Nikki HiemstraMember—
Richard DonaldsonMember—
Steve LeeMember—
Zachary LeveyMember—
Schools (1)
Curtis Creek Elementary
PrincipalStephen Swetizer
Phone(209) 532-1428
Emailssweitzer@ccreekmustangs.com
Websitewww.curtiscreekschool.com
Address18755 Standard Rd., Sonora, CA 95370
Jamestown Elementary
ELA 32.53%Math 20.08%
District Leadership
SuperintendentContessa Pelfrey
Phone(209) 984-4058
Emailcpelfrey@jespanthers.org
Websitehttps://www.jespanthers.org
Address18299 Fifth Avenue
Jamestown, CA 95327
Score History (% Proficient)
YearELAMath
201932.55%27.83%
202128.17%21.33%
202230.09%22.12%
202326.16%21.52%
202427.94%25.51%
202632.53%20.08%
ELA Trend
▼ 0.02pp since 2019
Math Trend
▼ 7.75pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Member—
Schools (2)
Chinese Camp Elementary
PrincipalSarah Gillum
Phone(209) 984-4058
Emailcmartin@jespanthers.org
Websitehttps://www.jespanthers.org/chinese-camp-science-academy/
Address13444 Red Hills Rd., Chinese Camp, CA 95309
Jamestown Elementary
PrincipalSarah Gillum
Phone(209) 984-4058
Emailcmartin@jespanthers.org
Websitehttp://jespanthers.org
Address18299 Fifth Ave., Jamestown, CA 95327
Sonora Elementary
ELA 45.66%Math 35.16%
District Leadership
SuperintendentCheryl Griffiths
Phone(209) 532-5491
Emailcgriffiths@sesk12.org
Websitehttps://www.sesk12.org
Address830 Greenley Road
Sonora, CA 95370
Score History (% Proficient)
YearELAMath
201954.35%45.2%
202149.56%30.44%
202248.3%32.34%
202342.89%32.59%
202441.74%31.25%
202645.66%35.16%
ELA Trend
▼ 8.69pp since 2019
Math Trend
▼ 10.04pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Member—
Schools (1)
Sonora Elementary
PrincipalChristopher Boyles
Phone(209) 532-5491
Emailcboyles@sesk12.org
Websitewww.ses.k12.ca.us
Address830 Greenley Rd., Sonora, CA 95370
Sonora Union High
ELA 55.02%Math 25.88%
District Leadership
SuperintendentEd Pelfrey
Phone(209) 533-8510
Emailepelfrey@sonorahigh.org
Websitehttps://www.sonorahigh.org
Address100 School Street
Sonora, CA 95370
Score History (% Proficient)
YearELAMath
201964.02%32.5%
202159.2%21.5%
202251.84%21.22%
202346.33%16.86%
202454.47%21.09%
202655.02%25.88%
ELA Trend
▼ 9.0pp since 2019
Math Trend
▼ 6.62pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Member—
Schools (2)
Dario Cassina High
PrincipalRobert Mayben
Phone(209) 532-1587
Emailrmayben@sonorahs.k12.ca.us
Websitehttp://sonorahs.k12.ca.us/chs/dario-cassina/
Address251 South Barretta St., Sonora, CA 95370
Sonora High
PrincipalKaren Sells
Phone(209) 532-5511
Emailksells@sonorahs.k12.ca.us
Websitehttp://sonorahs.k12.ca.us/shs/
Address430 North Washington St., Sonora, CA 95370
Soulsbyville Elementary
ELA 47.45%Math 37.94%
District Leadership
SuperintendentJeff Winfield
Phone(209) 532-1419
Emailjwinfield@soulsbyvilleschool.com
Websitehttps://www.soulsbyvilleschool.com
Address20300 Soulsbyville Road
Soulsbyville, CA 95372
Score History (% Proficient)
YearELAMath
201947.86%34.57%
202138.49%29.97%
202236.33%31.19%
202350.17%38.61%
202450.83%40.79%
202647.45%37.94%
ELA Trend
▼ 0.41pp since 2019
Math Trend
▲ 3.37pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Member—
Schools (1)
Soulsbyville Elementary
PrincipalJeff Winfield
Phone(209) 532-1419
Emailjwinfield@soulsbyvilleschool.com
Websitehttps://www.soulsbyvilleschool.com
Address20300 Soulsbyville Rd., Soulsbyville, CA 95372
Summerville Elementary
ELA 46.75%Math 21.36%
District Leadership
SuperintendentBenjamin Howell
Phone(209) 928-4291
Emailbhowell@sumel.org
Websitehttps://www.sumel.org
Address18451 Carter Street
Tuolumne, CA 95379
Score History (% Proficient)
YearELAMath
201946.39%32.31%
202139.57%33.77%
202246.39%33.46%
202342.31%27.69%
202441.06%26.52%
202646.75%21.36%
ELA Trend
▲ 0.36pp since 2019
Math Trend
▼ 10.95pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Member—
Schools (1)
Summerville Elementary
PrincipalBenjamin Howell
Phone(209) 928-4291
Emailbhowell@sumel.org
Websitewww.sumel.k12.ca.us
Address18451 Carter St., Tuolumne, CA 95379
Summerville Union High
ELA 67.74%Math 29.68%
District Leadership
SuperintendentMichael Merrill
Phone(209) 928-3498
Emailmmerrill@summbears.net
Websitehttps://www.summbears.net
Address17555 Tuolumne Road
Tuolumne, CA 95379
Score History (% Proficient)
YearELAMath
201967.07%30.88%
202178.86%33.61%
202254.55%30.92%
202359.04%27.66%
202464.56%41.14%
202667.74%29.68%
ELA Trend
▲ 0.67pp since 2019
Math Trend
▼ 1.2pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Member—
Schools (7)
Cold Springs High
PrincipalBrett Christopher
Phone(209) 586-3011
Emailbchristopher@summbears.net
Websitehttps://www.summbears.net/schools/cold-springs/
Address25910 Long Barn Rd., Long Barn, CA 95335
Connections Visual and Performing Arts Academy
PrincipalBrett Christopher
Phone(209) 928-4228
Emailbchristopher@summbears.net
Websitewww.summbears.net
Address17555 Tuolumne Rd., Tuolumne, CA 95379
Gold Rush Home Study Charter
PrincipalTraci Woelffer
Phone(209) 532-9781
Emailtwoelffer@goldrushcs.org
Websitewww.grcschool.org
Address16331 Hidden Valley Rd., Sonora, CA 95370
Long Barn High
PrincipalBrett Christopher
Phone(209) 586-3011
Emailbchristopher@summbears.net
Websitehttps://www.summbears.net/schools/long-barn/
Address25910 Long Barn Rd., Long Barn, CA 95335
Mountain High
PrincipalBrett Christopher
Phone(209) 965-4046
Emailbchristopher@summbears.net
Websitehttps://www.summbears.net/schools/mountain-high/
Address2 Pinecrest School Rd., Pinecrest, CA 95364
South Fork High
PrincipalBrett Christopher
Phone(209) 586-5672
Emailbchristopher@summbears.net
Websitehttps://www.summbears.net/schools/south-fork/
Address25611 Lyons Dam Rd., Twain Harte, CA 95383
Summerville High
PrincipalBrett Christopher
Phone(209) 928-4228
Emailbchristopher@summbears.net
Websitewww.summbears.net
Address17555 Tuolumne Rd., Tuolumne, CA 95379
Tuolumne County Superintendent of Schools
ELA 0.0%Math 4.76%
District Leadership
SuperintendentZachary Abernathy
Phone(209) 536-2000
Emailzabernathy@tcsos.us
Websitehttps://www.tcsos.us
Address175 Fairview Lane
Sonora, CA 95370
Score History (% Proficient)
YearELAMath
20193.7%0.0%
202119.05%4.35%
202214.63%7.69%
202312.5%3.13%
20245.26%0.0%
20260.0%4.76%
ELA Trend
▼ 3.7pp since 2019
Math Trend
▲ 4.76pp since 2019
Schools (1)
Tuolumne County Special Education
PrincipalMayra Patay
Phone(209) 536-2056
Emailmpatey@tcsos.us
Websitewww.tcsos.us
Address175 Fairview Ln., Sonora, CA 95370
Twain Harte
ELA 42.35%Math 41.18%
District Leadership
SuperintendentGabe Wingo
Phone(209) 586-3772
Emailgwingo@twainharteschool.com
Websitehttps://www.twainharteschool.com
Address18815 Manzanita Drive
Twain Harte, CA 95383
Score History (% Proficient)
YearELAMath
201948.6%46.11%
202139.88%40.12%
202247.7%43.1%
202347.98%42.77%
202447.65%42.94%
202642.35%41.18%
ELA Trend
▼ 6.25pp since 2019
Math Trend
▼ 4.93pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Member—
Schools (1)
Twain Harte
PrincipalGabe Wingo
Phone(209) 586-3266
Emailgwingo@twainharteschool.com
Websitewww.twainharteschool.com
Address18815 Manzanita Dr., Twain Harte, CA 95383

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