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SCHOOL COMMUNITY·WILLIAM S. HART UNION HIGH·NCES 064251011320

Rio Norte Junior High

28771 Rio Norte Dr., Santa Clarita, CA 91354 · (661) 295-3700 · Los Angeles County
GRADES 07–08MIDDLE21-SUBURBREGULAR SCHOOL1,138 STUDENTS
Enrollment
1,138
Middle
DISTRICT 1,020 · STATE 659
Student : Teacher
24.0:1
47 FTE teachers
DISTRICT 22.3:1 · STATE 20.7:1
Free / Reduced Lunch
17%
193 students
DISTRICT 31% · STATE 65%
Community
2
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 7
594
Grade 8
544
Student demographics
White
43638%
DISTRICT 32% · STATE 20%
Hispanic
28225%
DISTRICT 45% · STATE 56%
Black
545%
DISTRICT 4% · STATE 5%
Asian
29426%
DISTRICT 14% · STATE 12%
Two+
706%
DISTRICT 4% · STATE 6%
Pacific Islander
20%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
61054%
Female
52846%

Discussions

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Test scores

CAASPP 2023-24 . % met or exceeded standard
English Language Arts
75.9%
CA avg 47.1% . -1.1pp since 2014
Math
52.2%
CA avg 35.6% . -6.8pp since 2014
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
64.1%
composite math + reading, all grades
Predicted
69.4%
based on CA schools with similar FRL share
Beats by
-5.3pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
1,138
-171 (-13%) vs 2017
Student : Teacher
24.0:1
was 24.0:1
% White
38%
was 48%
% Hispanic
25%
was 19%
% Black
5%
was 4%
% Asian
26%
was 22%
Source: NCES Common Core of Data

About Rio Norte Junior High

Rio Norte Junior High is a junior high of high-enrollment scale in Santa Clarita, California, overseen by William S. Hart Union High, serveing 1,138 students in grades 7 through 8. That puts it 73% larger than the typical public school in California, which averages around 659 students.

Across the 16 schools in William S. Hart Union High (20,465 students total), Rio Norte Junior High accounts for its share of the district's footprint.

In terms of who attends, Rio Norte Junior High records that the largest single group is White at 38%, but no single group is in the majority. Other groups include 26% Asian, 25% Hispanic, 6% multiracial, 5% Black.

On the income-and-resources front, On paper, Rio Norte Junior High has 47 full-time-equivalent teachers, translating to a class-load average of around 24.0:1. The state averages around 20.7:1, so this campus is higher than the state norm typical. An estimated 17% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is south of Los Angeles County's rate of about 70%.

On a residual basis (actual vs predicted given the student mix), Rio Norte Junior High performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 69.4%, the actual is 64.1%, a residual of -5.3 points.

Around the school, the surrounding county (Los Angeles County) reports that median household income runs about $90,112, 36% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 10%. In all, Los Angeles County runs 2244 public schools (combined enrollment of about 1,265,907 students), of which Rio Norte Junior High is one.

The closest other public school is West Creek Academy, roughly 0.6 miles away. Counting just inside five miles, 8 other public schools cluster around Rio Norte Junior High. Ranking that nearby cluster on reported proficiency puts Rio Norte Junior High at 6th of 8; the average score across the group is 68.5%.

The campus sits in a commuter-belt setting.

Five-year trend. Looking back 7 years, enrollment at Rio Norte Junior High has shrank 13%, going from 1,309 students in 2018 to 1,138 in 2025. White enrollment moved from 48% to 38% across the same window.

On allk12, recent activity here tends to focus on classroom updates, athletics, and weather closures. Parents, students, alumni, and staff are welcome to weigh in.

Los Angeles County at a glance

View full county profile
Population
9,808,667
Census ACS
Median income
$90,112
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
2,244
1,265,907 students

Quick facts

School name
Rio Norte Junior High
District
William S. Hart Union High
Address
28771 Rio Norte Dr., Santa Clarita, CA 91354
Phone
(661) 295-3700
County
Los Angeles County
Level
Middle
Grade range
07–08
Total enrollment
1,138
Teachers (FTE)
47
Student–teacher ratio
24.0:1
Free/Reduced lunch
193 (17%)
Locale
21-Suburb: Large
NCES ID
064251011320
Charter school
No
Virtual school
No

Related schools

Other schools in William S. Hart Union High
Other schools in Santa Clarita
Nearby schools

Frequently asked questions

About Rio Norte Junior High
What is the total enrollment at Rio Norte Junior High?
Rio Norte Junior High enrolls approximately 1,138 students in grades 07-08.
What grades does Rio Norte Junior High serve?
Rio Norte Junior High serves grades 07-08.
How many teachers does Rio Norte Junior High have?
Rio Norte Junior High employs 47 FTE teachers, for a student-to-teacher ratio of 24.0:1.
How diverse is Rio Norte Junior High?
Rio Norte Junior High reports a student body of 38% White, 25% Hispanic, 5% Black, 26% Asian, 6% Two or more.
Is Rio Norte Junior High public or private?
Rio Norte Junior High is a public K-12 school, overseen by William S. Hart Union High.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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