Colusa County

5 districts  ·  17 schools  ·  CAASPP data 2019–2026

County-Wide Test Scores (% Proficient or Above)
36.12%
ELA 2025–2026
37.55%
ELA 2019
24.11%
Math 2025–2026
27.38%
Math 2019
6-Year Trend (ELA & Math)
▼ -1.43pp since 2019▼ -3.27pp since 2019
▲ 2.22pp since 2026▲ 1.74pp 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
Colusa County Office of Education
SuperintendentMichael West
Phone(530) 458-0350
Address345 5th St.
Ste. A, Colusa, CA 95932
Data last updated: October 2026  •  Source: CAASPP 2019-2026
Districts & Schools
⚲
Colusa County Office of Education
ELA 20.0%Math 0.0%
District Leadership
SuperintendentMichael West
Phone(530) 458-0350
Address345 5th Street
Suite A, Colusa, CA 95932
Score History (% Proficient)
YearELAMath
20190.0%0.0%
2021——
2022——
2023——
202418.18%0.0%
202620.0%0.0%
ELA Trend
▲ 20.0pp since 2019
Math Trend
0pp since 2019
Schools (1)
Coastal Buttes Academy
PrincipalCharles Wayman
Phone(530) 473-1350
Address499 Margurite St., Ste. A, Williams, CA 95987
Colusa Unified
ELA 41.03%Math 31.21%
District Leadership
SuperintendentRebecca Changus
Phone(530) 458-7791
Address745 10th Street
Colusa, CA 95932
Score History (% Proficient)
YearELAMath
201944.84%33.55%
202140.0%22.39%
202239.3%26.22%
202337.73%28.61%
202432.12%26.0%
202641.03%31.21%
ELA Trend
▼ 3.81pp since 2019
Math Trend
▼ 2.34pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Christopher McallisterMember2026
Erin SteidlmayerMember2028
Kelli Griffith-GarciaMember2028
Melissa Yerxa OrtizMember2028
Roberta JamesMember2026
Schools (4)
Colusa Alternative High (Continuation)
PrincipalDavid Johnstone
Phone(530) 458-2156
Address901 Colus Ave., Colusa, CA 95932
Colusa High
PrincipalDavid Johnstone
Phone(530) 458-2156
Address901 Colus Ave., Colusa, CA 95932
George T. Egling Middle
PrincipalErika Lemenager
Phone(530) 458-7631
Address813 Webster St., Colusa, CA 95932
James M. Burchfield Primary
PrincipalVictoria Wilson
Phone(530) 458-5853
Address400 Fremont St., Colusa, CA 95932
Maxwell Unified
ELA 42.77%Math 30.0%
District Leadership
SuperintendentSummer Shadley
Phone(530) 438-2052
Address515 Oak Street
Maxwell, CA 95955
Score History (% Proficient)
YearELAMath
201938.55%36.46%
2021——
202239.3%35.0%
202330.98%28.57%
202436.78%25.58%
202642.77%30.0%
ELA Trend
▲ 4.22pp since 2019
Math Trend
▼ 6.46pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Brandon NealMember—
Jason BowenMember—
Mark SuttonMember—
Sandra YarbroughMember—
Stacy PearsonMember—
Schools (3)
Maxwell Elementary
PrincipalKevin Triance
Phone(530) 438-2401
Address146 North St., Maxwell, CA 95955
Maxwell Middle
PrincipalKevin Triance
Phone(530) 438-2401
Address146 North St., Maxwell, CA 95955
Maxwell Sr High
PrincipalSummer Shadley
Phone(530) 438-2291
Address515 Oak St., Maxwell, CA 95955
Pierce Joint Unified
ELA 36.39%Math 26.56%
District Leadership
SuperintendentCarol Geyer
Phone(530) 476-2892
Address540 A Sixth Street
Arbuckle, CA 95912
Score History (% Proficient)
YearELAMath
201941.66%32.36%
2021——
202236.3%26.02%
202339.55%27.59%
202438.76%26.91%
202636.39%26.56%
ELA Trend
▼ 5.27pp since 2019
Math Trend
▼ 5.8pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Abel GomezMember—
George GreenMember—
Iluixochitl Perez DudleyMember—
John FrielMember—
Melissa DohertyMember—
Schools (5)
Arbuckle Alternative High (Continuation)
PrincipalDon Friel
Phone(530) 476-2173
Address966 Wildwood Rd., Arbuckle, CA 95912
Arbuckle Elementary
PrincipalLaura Hansen
Phone(530) 476-2522
Address701 Hall St., Arbuckle, CA 95912
Grand Island Elementary
PrincipalLaura Hansen
Phone(530) 437-2416
Address551 Leven St., Grimes, CA 95950
Lloyd G. Johnson Junior High
PrincipalNoah Gomez
Phone(530) 476-3261
Address938 Wildwood Rd., Arbuckle, CA 95912
Pierce High
PrincipalDon Friel
Phone(530) 476-2277
Address960 Wildwood Rd., Arbuckle, CA 95912
Williams Unified
ELA 28.98%Math 12.4%
District Leadership
SuperintendentSandra Ayon
Phone(530) 473-2550
Address260 11th Street
Williams, CA 95987
Score History (% Proficient)
YearELAMath
201925.6%13.38%
2021——
202223.75%8.29%
202326.73%10.53%
202429.83%12.21%
202628.98%12.4%
ELA Trend
▲ 3.38pp since 2019
Math Trend
▼ 0.98pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Edward DavisMember—
Heather CovarrubiasMember—
Kathleen BautistaMember2028
Ramiro SolisMember2028
Schools (4)
Mid Valley High (Continuation)
PrincipalJames Welcome
Phone(530) 473-5369
Address1105 D St., Williams, CA 95987
Williams Junior/Senior High
PrincipalJames Welcome
Phone(530) 473-5369
Address260 11th St., Williams, CA 95987
Williams Primary Elementary
PrincipalMichelle Jorge
Phone(530) 473-2885
Address1404 E St., Williams, CA 95987
Williams Upper Elementary
PrincipalVeronica Michael
Phone(530) 473-5304
Address300 Eleventh St., Williams, CA 95987

What Your Donation Makes Possible

Your support empowers California families to reclaim transparency,
parental rights, and academic integrity in public schools.

Informed Parents, Informed Parents California, and OPT-OUT CA are dba’s of Informed Parents Silicon Valley, Inc., a Section 501(c)(3) charitable organization, EIN 87-2694564. Contributions are tax-deductible for income, gift, and estate taxes. Our IRS determination letter can be requested by emailing us at donations@ip-sv.org. Copyright 2026.  Privacy Policy  |  Terms of Service