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SCHOOL COMMUNITY·OROVILLE UNION HIGH·NCES 062913004495

Las Plumas High

2380 Las Plumas Ave., Oroville, CA 95966 · (530) 538-2310 · Butte County
GRADES 09–12HIGH32-TOWNTITLE IREGULAR SCHOOL1,265 STUDENTS
D
allk12 Grade
Scored higher than 10% of California public high schools
  • C-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • C-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • C-Three-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
1,265
High
DISTRICT 558 · STATE 838
Student : Teacher
19.4:1
65 FTE teachers
DISTRICT 13.4:1 · STATE 18.2:1
Free / Reduced Lunch
75%
943 students
DISTRICT 82% · 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 935428%
Grade 1032125%
Grade 1129523%
Grade 1229523%
Student demographics
63%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 69% · STATE 62% · US 70%
White
68554%
DISTRICT 49% · STATE 20% · US 43%
Hispanic
32025%
DISTRICT 22% · STATE 56% · US 30%
Black
292%
DISTRICT 4% · STATE 5% · US 15%
Asian
887%
DISTRICT 13% · STATE 12% · US 6%
Two+
716%
DISTRICT 6% · STATE 6% · US 5%
Native American
655%
DISTRICT 5% · STATE 0% · US 1%
Pacific Islander
60%
DISTRICT 1% · 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
61649%
Female
64851%

Discussions

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
33.6%
CA avg 49.1% . -17.4pp since 2014
Math
13.7%
CA avg 37.7% . -6.3pp since 2014

What this means: On the CAASPP, California's statewide test, about 34 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 17 points since 2014, while math scores are down about 6 points.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts15.4%18.1%30.1%36.3%
Math4.7%9.0%17.6%68.8%
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
2024-2533.6%13.7%
2023-2445.5%18.3%
2022-2350.0%18.5%
2021-2237.7%16.3%
2020-2150.4%18.7%
2018-1957.8%20.4%
2017-1851.6%20.5%
2016-1756.7%23.0%
2015-1646.0%15.0%
2014-1551.0%20.0%
% 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
27.8%
composite math + reading, all grades
Predicted
35.9%
based on CA schools with similar FRL share
Beats by
-8.1pp
below demographic expectation

What this means: About 28% of students here test proficient in math and reading, compared with the roughly 36% 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 Las Plumas High

Las Plumas High's state test result (27.8% proficient) is higher than 0 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Las Plumas High this school1,26574.5%27.8%
Red Bluff High
Red Bluff
1,58675.6%37.6%
Valhalla High
El Cajon
1,72869.4%49.8%
Wheatland Union High
Wheatland
1,06374.8%41.4%
Central Valley High
Shasta Lake
58371.5%57.1%
Enterprise High
Redding
1,14865.7%43.6%
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 Las Plumas High ranks

Among high schools
MeasureThis schoolIn CaliforniaIn Butte County
State test proficiency
ranked highest first
27.8%#866 of 1,052#8 of 8
Math proficiency
ranked highest first
13.7%#874 of 1,056
▼ 217
#7 of 8
▼ 2
Reading proficiency
ranked highest first
33.6%#967 of 1,056
▼ 205
#8 of 8
▼ 2
3-year test score change
ranked biggest drop first
-3.4pp#195 of 1,044#2 of 8
Enrollment
ranked largest first
1,265#654 of 2,093#3 of 16
Students per teacher
ranked fewest first
19.4:1#456 of 1,352#4 of 8
Diversity index
ranked most diverse first
63.1%#315 of 1,351#3 of 7
Free and reduced lunch
ranked highest share first
74.5%#759 of 1,575#2 of 9
Enrollment change since 2017-18
ranked fastest growth first
+17.7%#60 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
1,265
+20 (+2%) vs 2020
+34% since 1990-91, when it was 941
Student : Teacher
19.4:1
was 22.2:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,26565.319.4:175% (943)
2023-241,29958.622.2:175% (974)
2022-231,28758.522.0:176% (984)
2020-211,2455622.2:167% (832)
2017-181,07547.522.6:172% (771)
2015-161,0924822.8:164% (695)
2010-111,275N/AN/A67% (854)
2000-011,4586721.8:136% (522)
1990-919414720.0:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Las Plumas High.

Since 2017-18: students up 18% (1,075 to 1,265); teachers up 37% (47.5 to 65.3).

About Las Plumas High

Las Plumas High is the name of a large high school in Oroville, California. The school covers grades 9 through 12 and reported 1,265 students in 2024-25. On average, high schools in California enroll around 838, and this school is 51% bigger than that mark.

Las Plumas High is part of a district of 4 schools: Oroville Union High, with 2,230 students.

Of every 100 students at Las Plumas High, about 54 are White. Beyond that, enrollment is 25% Hispanic, 7% Asian, 6% multiracial, and 5% Native American. The White share of the county population is higher, at 70%. The diversity index for Las Plumas High is 63%. For US public schools as a whole it is 70%.

Las Plumas High reported 65.3 full-time-equivalent teachers in 2024-25, a ratio of 19.4:1. The school's 19.4:1 compares with an average of 18.2:1 for high schools in California. Roughly 75% of students at Las Plumas High can receive free or reduced-price lunch. The 63% average for public schools in Butte County is 12 points lower.

Las Plumas High earns a D on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 10% of California public high schools.

Las Plumas High is 8.1 points below its predicted average proficiency rate across its state test results (27.8% versus 35.9%), which places it in neither the top nor the bottom 10% in California.

In Butte County, where the school is located, the median household earns about $67,928 a year, 32% of adults hold a bachelor's degree or higher, and about 12% of residents live below the federal poverty line. Public schools in Butte County number 96, with about 29,730 students.

Las Plumas High's nearest public school is Helen M. Wilcox Elementary (about 0.3 miles). The count of other public schools within five miles is at least 8. On average proficiency, Las Plumas High is 3rd of 7 nearby schools with test data.

In the federal locale system, Las Plumas High is coded Town: Distant, for schools in a town some distance from an urbanized area.

From 2020-21 to 2024-25, enrollment held near 1,265, starting from 1,245. The student-to-teacher ratio dropped from 22.2:1 in 2020-21 to 19.4:1 in 2024-25.

This page is set up for the Las Plumas High community to discuss homework, tutoring, and testing dates. Current and former families are welcome to add their experience.

Butte County at a glance

View full county profile
Population
207,929
Census ACS
Median income
$67,928
Household, ACS
Bachelor's+
32%
Adults 25+
Poverty rate
12%
Below federal line
Schools in county
96
29,730 students

Quick facts

School name
Las Plumas High
District
Oroville Union High
Address
2380 Las Plumas Ave., Oroville, CA 95966
Phone
(530) 538-2310
County
Butte County
Level
High
Grade range
09–12
Total enrollment
1,265
Teachers (FTE)
65
Student–teacher ratio
19.4:1
Free and reduced lunch
943 (75%)
Locale
32-Town: Distant
NCES ID
062913004495
Charter school
No
Virtual school
No

Related schools

Other schools in Oroville Union High
Other schools in Oroville
Nearby schools

Frequently asked questions

About Las Plumas High
What is the total enrollment at Las Plumas High?
Las Plumas High enrolls approximately 1,265 students in grades 09-12.
What grades does Las Plumas High serve?
Las Plumas High serves grades 09-12.
What is the student-teacher ratio at Las Plumas High?
The student-to-teacher ratio at Las Plumas High is approximately 19.4:1 (65 FTE teachers).
What is the racial breakdown of students at Las Plumas High?
At Las Plumas High, the student body is approximately 54% White, 25% Hispanic, 2% Black, 7% Asian, 6% Two or more.
Is Las Plumas High public or private?
Las Plumas High is a public K-12 school, overseen by Oroville Union High.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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