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SCHOOL COMMUNITY·COLUSA UNIFIED·NCES 060957000966

Colusa High

901 Colus Ave., Colusa, CA 95932 · (530) 458-2156 · Colusa County
GRADES 09–12HIGH32-TOWNTITLE IREGULAR SCHOOL431 STUDENTS
C-
allk12 Grade
Scored higher than 22% of California public high schools
  • CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • CBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • CThree-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public high schools

Enrollment
431
High
DISTRICT 229 · STATE 838
Student : Teacher
20.0:1
22 FTE teachers
DISTRICT 23.5:1 · STATE 18.2:1
Free / Reduced Lunch
66%
285 students
DISTRICT 76% · STATE 65%
Community
6
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 911226%
Grade 109121%
Grade 1111928%
Grade 1210925%
Student demographics
40%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 42% · STATE 62% · US 70%
White
7618%
DISTRICT 18% · STATE 20% · US 43%
Hispanic
32575%
DISTRICT 74% · STATE 56% · US 30%
Black
31%
DISTRICT 1% · STATE 5% · US 15%
Asian
51%
DISTRICT 1% · STATE 12% · US 6%
Two+
82%
DISTRICT 3% · STATE 6% · US 5%
Native American
113%
DISTRICT 3% · STATE 0% · US 1%
Pacific Islander
31%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
22953%
Female
20247%

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
55.1%
CA avg 49.1% . -10.9pp since 2014
Math
14.0%
CA avg 37.7% . -10.0pp since 2014

What this means: On the CAASPP, California's statewide test, about 55 of every 100 students at this school read and write at grade level and about 14 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are down about 11 points since 2014, while math scores are down about 10 points.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts21.5%33.6%23.4%21.5%
Math5.6%8.4%19.6%66.4%
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.

CAASPP results by year

School yearEnglish Language ArtsMath
2024-2555.1%14.0%
2023-2446.3%18.0%
2022-2347.9%18.9%
2021-2252.6%19.2%
2020-2169.3%33.9%
2018-1960.7%31.8%
2017-1854.6%32.2%
2016-1768.3%35.4%
2015-1660.0%31.0%
2014-1566.0%24.0%
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
33.4%
composite math + reading, all grades
Predicted
40.8%
based on CA schools with similar FRL share
Beats by
-7.4pp
below demographic expectation

What this means: About 33% of students here test proficient in math and reading, compared with the roughly 41% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Colusa High

Colusa High's state test result (33.4% proficient) is higher than 1 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Colusa High this school43166.1%33.4%
Carpinteria Senior High
Carpinteria
59365.3%36.4%
Visalia Charter Independent Study
Visalia
51570.3%30.3%
Hamilton High
Hamilton City
30668.3%35.1%
Harmony Magnet Academy
Strathmore
50973.1%70.3%
Reedley Middle College High
Reedley
25571.0%67.8%
Matched among California high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Colusa High ranks

Among high schools
MeasureThis schoolIn CaliforniaIn Colusa County
State test proficiency
ranked highest first
33.4%#699 of 1,052N/A
Math proficiency
ranked highest first
14.0%#864 of 1,056
▼ 199
N/A
Reading proficiency
ranked highest first
55.1%#580 of 1,056
▲ 164
N/A
3-year test score change
ranked biggest drop first
-1.4pp#291 of 1,044N/A
Enrollment
ranked largest first
431#1,083 of 2,093#3 of 9
Students per teacher
ranked fewest first
20.0:1#549 of 1,352N/A
Diversity index
ranked most diverse first
39.9%#842 of 1,351N/A
Free and reduced lunch
ranked highest share first
66.1%#931 of 1,575N/A
Enrollment change since 2017-18
ranked fastest growth first
+7.8%#157 of 327N/A
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
431
+30 (+7%) vs 2020
+33% since 1990-91, when it was 323
Student : Teacher
20.0:1
was 19.1:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2543121.520.0:166% (285)
2023-2445919.823.2:170% (321)
2022-2347021.621.8:155% (258)
2020-214012119.1:152% (210)
2017-1840019.620.4:162% (246)
2015-163712018.6:147% (175)
2010-11344N/AN/A60% (205)
2000-014572518.3:147% (213)
1990-913232016.1:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Colusa High.

Since 2017-18: students up 8% (400 to 431); teachers up 10% (19.6 to 21.5).

About Colusa High

Colusa High operates as a small high school in Colusa, California. Enrolled students number 431 students, in grades 9 through 12. Enrollment is 49% lower than the average for high schools in California, which is about 838.

Colusa High falls under Colusa Unified, which has 5 schools enrolling 1,470 students.

Colusa High's enrollment is 75% Hispanic. Other groups include 18% White and 3% Native American. By comparison, Colusa County residents are about 63% Hispanic. The chance that two students picked at random at Colusa High belong to different racial or ethnic groups, known as the diversity index, is 40%.

Colusa High employs 21.5 full-time-equivalent teachers. That gives a ratio of about 20.0:1. The average ratio among high schools in California is 18.2:1, lower than at this school. Colusa High's free or reduced-price lunch eligibility rate is 66%. That rate is below the 78% average among public schools in Colusa County.

The allk12 Grade for Colusa High is C-. Compared with California public high schools, the school scored higher than 22% on a mix of test scores, poverty-adjusted results, and recent trend.

When test results are adjusted for free or reduced-price lunch eligibility, Colusa High is 7.4 points below its prediction. Actual: 33.4%. Predicted: 40.8%.

Colusa County has about 21,984 residents, and median household income is about $75,672, about 16% of adults have at least a bachelor's degree, and roughly 10% of residents are in poverty. Federal data list 23 public schools in Colusa County, with a combined enrollment of about 4,732.

The closest public school to Colusa High is Colusa Alternative High (Continuation), less than a tenth of a mile away. Other public schools within five miles number 4. The school's 33.4% average proficiency ranks 2nd among 5 nearby schools.

Under the NCES locale system, Colusa High is Town: Distant.

Federal counts put enrollment at 401 in 2020-21 and 431 in 2024-25, a 7% increase.

If you have questions about sports schedules, lunch menus, and spirit week at Colusa High, you can post them here. Posting is open to anyone connected to the school.

Colusa County at a glance

View full county profile
Population
21,984
Census ACS
Median income
$75,672
Household, ACS
Bachelor's+
16%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
23
4,732 students

Quick facts

School name
Colusa High
District
Colusa Unified
Address
901 Colus Ave., Colusa, CA 95932
Phone
(530) 458-2156
County
Colusa County
Level
High
Grade range
09–12
Total enrollment
431
Teachers (FTE)
22
Student–teacher ratio
20.0:1
Free and reduced lunch
285 (66%)
Locale
32-Town: Distant
NCES ID
060957000966
Charter school
No
Virtual school
No

Related schools

Other schools in Colusa Unified
Other schools in Colusa
Nearby schools

Frequently asked questions

About Colusa High
How many students attend Colusa High?
Colusa High enrolls approximately 431 students in grades 09-12.
What grades does Colusa High serve?
Colusa High serves grades 09-12.
How many teachers does Colusa High have?
Colusa High employs 22 FTE teachers, for a student-to-teacher ratio of 20.0:1.
What is the student diversity at Colusa High?
Student demographics at Colusa High are roughly 18% White, 75% Hispanic, 1% Black, 1% Asian, 2% Two or more.
Who oversees Colusa High?
Colusa High is overseen by Colusa Unified in Colusa County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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