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SCHOOL COMMUNITY·MATTOLE UNIFIED·NCES 060003803640

Mattole Elementary

29289 Chambers Rd., Petrolia, CA 95558 · (707) 629-3311 · Humboldt County
GRADES KG–08ELEMENTARY43-RURALTITLE IREGULAR SCHOOL27 STUDENTS
Enrollment
27
Elementary
DISTRICT 20 · STATE 465
Student : Teacher
27.0:1
1 FTE teachers
DISTRICT 54.1:1 · STATE 22.3:1
Free / Reduced Lunch
56%
15 students
DISTRICT 39% · STATE 65%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Kindergarten726%
Grade 1415%
Grade 227%
Grade 327%
Grade 4415%
Grade 514%
Grade 6311%
Grade 727%
Grade 827%
Student demographics
White
1452%
DISTRICT 48% · STATE 20% · US 43%
Hispanic
27%
DISTRICT 21% · STATE 56% · US 30%
Two+
1141%
DISTRICT 31% · STATE 6% · US 5%
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
1867%
Female
933%

School pathway

Students here typically continue to
Mattole ElementaryMattole Triple Junction High
Based on grade levels within Mattole Unified. Attendance zones can vary; confirm enrollment with the district.

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
40.0%
CA avg 49.1% . -5.0pp since 2014
Math
60.0%
CA avg 37.7% . +15.0pp since 2014

What this means: On the CAASPP, California's statewide test, about 40 of every 100 students at this school read and write at grade level and about 60 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 5 points since 2014, while math scores are up about 15 points.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts26.7%13.3%26.7%33.3%
Math6.7%53.3%6.7%33.3%
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
2024-2540.0%60.0%
2023-2453.3%50.0%
2022-2390.9%54.5%
2021-2258.8%52.9%
2020-2168.4%42.1%
2018-1952.6%36.8%
2017-1847.8%47.8%
2016-1767.9%46.4%
2015-1645.0%48.0%
2014-1545.0%45.0%
% 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
50.8%
composite math + reading, all grades
Predicted
47.0%
based on CA schools with similar FRL share
Beats by
+3.8pp
above demographic expectation

What this means: About 51% of students here test proficient in math and reading, compared with the roughly 47% 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 →

Where Mattole Elementary ranks

Among elementary schools
MeasureThis schoolIn CaliforniaIn Humboldt County
Enrollment
ranked largest first
27#5,824 of 5,915#40 of 48
Ranked against other public elementary 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.

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
27
-8 (-23%) vs 2017
Student : Teacher
27.0:1
was 10.0:1
% White
52%
was 83%
% Hispanic
7%
was 6%
% Black
0%
was 3%
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree or reduced lunch
2024-2527127.0:156% (15)
2023-24262.311.6:146% (12)
2022-232137.0:114% (3)
2017-18353.510.0:146% (16)
Source: NCES Common Core of Data. Rows are the federal collections on file for Mattole Elementary.

About Mattole Elementary

Mattole Elementary is a small elementary school in California, located in Petrolia. Classes run from kindergarten through 8, and the school has 27 students. The average for elementary schools in California is about 465 students, so this school is 94% smaller than average.

Besides Mattole Elementary, Mattole Unified runs 2 other schools. The district enrolls 42 students.

At Mattole Elementary, White students make up 52% of the student body. The next largest groups are 41% multiracial and 7% Hispanic. The school's White share is 20 points below the 72% share among Humboldt County residents.

Federal staffing data show 1 full-time-equivalent teachers at Mattole Elementary and a ratio of 27.0:1. This ratio sits 4.7 above the 22.3:1 average for elementary schools in California. Free or reduced-price lunch eligibility covers 56% of students.

On the allk12 BeatsExpectations measure, Mattole Elementary is 3.8 points above the average proficiency rate on state tests predicted for its free or reduced-price lunch share: 50.8% actual, 47.0% predicted. That is outside both the top and bottom 10% in California.

Recent Census Bureau figures for Humboldt County show that the median household income is $61,160, 33% of adults hold a bachelor's degree or higher, and about 11% of residents live below the federal poverty line. Mattole Elementary is one of 92 public schools in the county.

Mattole Triple Junction High is the nearest neighboring public school, less than a tenth of a mile away. Mattole Elementary's average proficiency of 50.8% compares with 41.9% for its nearest scored neighbors.

The school is in rural territory far from an urban area, according to its NCES locale (Rural: Remote).

Enrollment is down 23% from 2017-18, when Mattole Elementary had 35 students, to 2024-25, when it had 27. White enrollment as a share of the school fell from 83% to 52%. The ratio was 10.0:1 in 2017-18 and 27.0:1 in 2024-25.

The Mattole Elementary community page is open for posts about sports tryouts, band and choir, and theater. Anyone with firsthand experience at this school can post or comment.

Humboldt County at a glance

View full county profile
Population
134,541
Census ACS
Median income
$61,160
Household, ACS
Bachelor's+
33%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
92
17,319 students

Quick facts

School name
Mattole Elementary
District
Mattole Unified
Address
29289 Chambers Rd., Petrolia, CA 95558
Phone
(707) 629-3311
County
Humboldt County
Level
Elementary
Grade range
KG–08
Total enrollment
27
Teachers (FTE)
1
Student–teacher ratio
27.0:1
Free/Reduced lunch
15 (56%)
Locale
43-Rural: Remote
NCES ID
060003803640
Charter school
No
Virtual school
No

Related schools

Other schools in Mattole Unified
Other schools in Petrolia
Nearby schools

Frequently asked questions

About Mattole Elementary
How many students attend Mattole Elementary?
Mattole Elementary enrolls approximately 27 students in grades KG-08.
What grades does Mattole Elementary serve?
Mattole Elementary serves grades KG-08.
What is the student-teacher ratio at Mattole Elementary?
The student-to-teacher ratio at Mattole Elementary is approximately 27.0:1 (1 FTE teachers).
What is the racial breakdown of students at Mattole Elementary?
At Mattole Elementary, the student body is approximately 52% White, 7% Hispanic, 41% Two or more.
Is Mattole Elementary public or private?
Mattole Elementary is a public K-12 school, overseen by Mattole Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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