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Lassen County

11 districts  ·  21 schools  ·  CAASPP data 2019–2024

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County-Wide Test Scores (% Proficient or Above)
34.33%
ELA 2024
41.19%
ELA 2019
22.15%
Math 2024
31.15%
Math 2019
5-Year Trend (ELA & Math)
▼ -6.86pp since 2019▼ -9.0pp since 2019
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
Lassen County Office of Education
SuperintendentPatricia Gunderson
Phone(530) 257-2196
Emailpgunderson@lcoe.org
Websitehttps://www.lcoe.org
Address472-013 Johnstonville Rd., North, Susanville, CA 96130
Districts & Schools
⚲
Big Valley Joint Unified
ELA 27.87%Math 17.46%
District Leadership
SuperintendentTeresa Ragsdale
Phone(530) 294-5231
Emailtragsdale@bigvalleyschool.org
Websitehttps://www.bigvalleyschool.org
Address400 Bridge Street, Bieber, CA 96009
Score History (% Proficient)
YearELAMath
201935.38%21.54%
202114.04%5.26%
202221.13%21.13%
202318.75%9.38%
202427.87%17.46%
ELA Trend
▼ -7.51pp since 2019
Math Trend
▼ -4.08pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Cole JoinerMember—
Deborah PeckMember—
Jeff HojMember—
Matthew MitchellMember—
Schools (2)
Big Valley Elementary
PrincipalTeresa Ragsdale
Phone(530) 294-5214
Emailtragsdaler@bigvalleyschool.org
Address90 First St., Bieber, CA 96009
Big Valley Jr. Sr. High
PrincipalTeresa Ragsdale
Phone(530) 294-5231
Emailtragsdale@bigvalleyschool.org
Address400 Bridge St., Bieber, CA 96009
Fort Sage Unified
ELA 23.73%Math 8.55%
District Leadership
SuperintendentDerek Cooper
Phone(530) 827-2129
Emaildcooper@fortsage.org
Websitehttps://www.fortsage.org
Address100 DS Hall Street, Herlong, CA 96113
Score History (% Proficient)
YearELAMath
201937.3%14.84%
202128.07%11.3%
202221.26%9.52%
202319.17%15.7%
202423.73%8.55%
ELA Trend
▼ -13.57pp since 2019
Math Trend
▼ -6.29pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Member—
Schools (5)
Fort Sage Middle
PrincipalDerek Cooper
Phone(530) 827-2101
Emaildcooper@fortsage.org
Address200 DS Hall, Herlong, CA 96113
Herlong High
PrincipalDerek Cooper
Phone(530) 827-2101
Emaildcooper@fortsage.org
Address200 DS Hall, Herlong, CA 96113
Long Valley
PrincipalSherri Morgan
Phone(530) 827-2395
Emailsmorgan@longvalleycs.org
Websitewww.longvalleycs.org
Address436-965 Susan Dr., Doyle, CA 96109
Mt. Lassen Charter
PrincipalHillary Magarrell
Phone(530) 827-2129
Emailhmagarrell@fortsage.org
Websitehttp://fortsage.org
Address100 David S Hall St., Herlong, CA 96113
Sierra Primary
PrincipalDerek Cooper
Phone(530) 827-2126
Emaildcooper@fortsage.org
Address100 DS Hall St., Herlong, CA 96113
Janesville Union Elementary
ELA 34.48%Math 27.72%
District Leadership
SuperintendentJamie Lewis
Phone(530) 253-3660
Emailjlewis@janesvilleschool.org
Websitehttps://www.janesvilleschool.org
Address464-555 Main Street, Janesville, CA 96114
Score History (% Proficient)
YearELAMath
201940.68%25.96%
202133.18%20.18%
202233.04%26.91%
202337.25%33.99%
202434.48%27.72%
ELA Trend
▼ -6.2pp since 2019
Math Trend
▲ 1.76pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Member—
Schools (1)
Janesville Elementary
PrincipalJamie Lewis
Phone(530) 253-3551
Emailjlewis@janesvilleschool.org
Websitewww.janesvilleschool.org/
Address464-555 Main St., Janesville, CA 96114
Johnstonville Elementary
ELA 33.33%Math 26.67%
District Leadership
SuperintendentScott Smith
Phone(530) 257-2471
Emailssmith@johnstonville.org
Websitehttps://www.johnstonville.org
Address704-795 Bangham Lane, Susanville, CA 96130
Score History (% Proficient)
YearELAMath
201954.1%37.4%
202149.12%33.04%
202248.25%41.23%
202334.68%34.68%
202433.33%26.67%
ELA Trend
▼ -20.77pp since 2019
Math Trend
▼ -10.73pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Member—
Schools (1)
Johnstonville Elementary
PrincipalScott Smith
Phone(530) 257-2471
Emailssmith@johnstonville.org
Websitewww.johnstonville.org
Address704-795 Bangham Ln., Susanville, CA 96130
Lassen County Office of Education
ELA —Math —
District Leadership
SuperintendentPatricia Gunderson
Phone(530) 257-2196
Emailpgunderson@lcoe.org
Websitehttps://www.lcoe.org
Address472-013 Johnstonville Road, North, Susanville, CA 96130
Score History (% Proficient)
YearELAMath
2019——
2021——
2022——
2023——
2024——
ELA Trend
▼ nanpp since 2022
Math Trend
▼ nanpp since 2022
Schools (1)
Lassen County Special Education
PrincipalJoshua Kim
Phone(530) 257-2196
Emailjkim@lcoe.org
Address472-013 Johnstonville Rd., North, Susanville, CA 96130
Lassen Union High
ELA 48.3%Math 15.17%
District Leadership
SuperintendentJacob Jensen
Phone(530) 257-5134
EmailJacob.jensen@lassenhigh.org
Websitehttps://www.lassenhigh.org
Address1000 Main Street, Susanville, CA 96130
Score History (% Proficient)
YearELAMath
201956.4%31.4%
202144.68%12.63%
202229.83%10.44%
202333.16%13.92%
202448.3%15.17%
ELA Trend
▼ -8.1pp since 2019
Math Trend
▼ -16.23pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Member—
Schools (2)
Credence High
PrincipalBob Nielsen
Phone(530) 257-5134
Emailrobert.nielsen@lassenhigh.org
Websitewww.lassenhigh.org
Address813 Cottage St., Susanville, CA 96130
Lassen High
PrincipalLynn Pikero
Phone(530) 257-2141
Emaillynn.pikero@lassenhigh.org
Address1110 Main St., Susanville, CA 96130
Ravendale-Termo Elementary
District Leadership
SuperintendentJason Waddell
Phone(530) 257-8200
Emailjwaddell@juniperridge.org
Websitehttps://www.juniperridge.org
Address709-855 Termo-Grasshopper Road, Termo, CA 96132
Score History (% Proficient)
YearELAMath
2019——
2021——
2022——
2023——
2024——
ELA Trend
Math Trend
School Board Members
NameRole / AreaTerm Exp.
Member—
Schools (1)
Juniper Ridge Elementary
PrincipalJason Waddell
Phone(530) 251-8938
Emailjwaddell@juniperridge.org
Websitewww.juniperridge.org
Address709-855 Termo-Grasshopper Rd., Termo, CA 96132
Richmond Elementary
ELA 53.28%Math 35.25%
District Leadership
SuperintendentBrian Boyer
Phone(530) 257-2338
Emailbboyer@richmondelementary.com
Websitehttps://www.richmondelementary.com
Address700-585 Richmond Road, East, Susanville, CA 96130
Score History (% Proficient)
YearELAMath
201968.0%51.33%
202175.97%51.16%
202264.57%51.97%
202350.0%43.44%
202453.28%35.25%
ELA Trend
▼ -14.72pp since 2019
Math Trend
▼ -16.08pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Member—
Schools (1)
Richmond Elementary
PrincipalBrian Boyer
Phone(530) 257-2338
Emailbboyer@richmondelementary.com
Websitehttp://richmondelementary.com
Address700-585 Richmond Rd., East, Susanville, CA 96130
Shaffer Union Elementary
ELA 41.03%Math 26.11%
District Leadership
SuperintendentJoshua Blackburn
Phone(530) 254-6577
Emailjblackburn@shafferschool.com
Websitehttps://www.shafferschool.com
Address722-055 Highway 395 North, Litchfield, CA 96117
Score History (% Proficient)
YearELAMath
201938.41%30.43%
202125.0%32.5%
202229.37%23.81%
202330.07%24.48%
202441.03%26.11%
ELA Trend
▲ 2.62pp since 2019
Math Trend
▼ -4.32pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Member—
Schools (1)
Shaffer Elementary
PrincipalJoshua Blackburn
Phone(530) 254-6577
Emailjblackburn@shafferschool.com
Websitewww.shafferschool.com
Address722-055 Highway 395 North, Litchfield, CA 96117
Susanville Elementary
ELA 30.27%Math 27.21%
District Leadership
SuperintendentJason Waddell
Phone(530) 257-8200
Emailjwaddell@susanvillesd.org
Websitehttps://www.susanvillesd.org
Address109 South Gilman Street, Susanville, CA 96130
Score History (% Proficient)
YearELAMath
201932.14%33.58%
202132.14%26.95%
202227.84%24.2%
202335.3%24.92%
202430.27%27.21%
ELA Trend
▼ -1.87pp since 2019
Math Trend
▼ -6.37pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Member—
Schools (4)
Diamond View Middle
PrincipalDeanna Heimbigner
Phone(530) 257-5144
Emaildheimbigner@susanvillesd.org
Websitewww.diamondviewschool.org
Address850 Richmond Rd., Susanville, CA 96130
McKinley Elementary
PrincipalTraci Cockerill
Phone(530) 257-5161
Emailtcockerill@susanvillesd.org
Websitewww.mckinley-school.org
Address2005 Fourth St., Susanville, CA 96130
Meadow View
PrincipalCharlotte Klinock
Phone(530) 257-3000
Emailcklinock@susanvillesd.org
Websitewww.meadowviewschool.org
Address1200 Paiute Ln., Susanville, CA 96130
Thompson Peak Charter
PrincipalSherri Morgan
Phone(530) 257-7300
Emailsmorgan@longvalleycs.org
Websitelongvalleycs.org
Address995 Paiute Ln., Susanville, CA 96130
Westwood Unified
ELA 35.71%Math 16.67%
District Leadership
SuperintendentPaula Silva
Phone(530) 256-2311
Emailpsilva@westwoodusd.org
Websitehttps://www.westwoodusd.org
AddressFourth and Greenwood Streets, Westwood, CA 96137
Score History (% Proficient)
YearELAMath
201936.96%34.41%
202138.71%13.19%
202241.67%20.24%
202344.57%26.09%
202435.71%16.67%
ELA Trend
▼ -1.25pp since 2019
Math Trend
▼ -17.74pp since 2019
School Board Members
NameRole / AreaTerm Exp.
Member—
Schools (2)
Fletcher Walker Elementary
PrincipalPaula Silva
Phone(530) 256-3295
Emailpsilva@westwoodusd.org
Websitehttp://westwoodusd.org
AddressFourth and Greenwood Sts., Westwood, CA 96137
Westwood High
PrincipalPaula Silva
Phone(530) 256-2311
Emailpsilva@westwoodusd.org
Websitewww.westwoodusd.org
AddressFourth and Greenwood Sts., Westwood, CA 96137
Data last updated: March 2026  ·  Source: CAASPP 2019–2024

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