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SCHOOL COMMUNITY·BONITA UNIFIED·NCES 060561000512

Lone Hill Middle

700 South Lone Hill, San Dimas, CA 91773 · (909) 971-8270 · Los Angeles County
GRADES 06–08MIDDLE21-SUBURBREGULAR SCHOOL870 STUDENTS
Enrollment
870
Middle
DISTRICT 1,121 · STATE 659
Student : Teacher
23.4:1
37 FTE teachers
DISTRICT 25.0:1 · STATE 20.7:1
Free / Reduced Lunch
39%
338 students
DISTRICT 38% · 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 6
271
Grade 7
285
Grade 8
314
Student demographics
White
15418%
DISTRICT 20% · STATE 20%
Hispanic
51259%
DISTRICT 56% · STATE 56%
Black
212%
DISTRICT 2% · STATE 5%
Asian
9411%
DISTRICT 13% · STATE 12%
Two+
8810%
DISTRICT 9% · STATE 6%
Pacific Islander
10%
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
43650%
Female
43450%

Discussions

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Test scores

CAASPP 2023-24 . % met or exceeded standard
English Language Arts
71.6%
CA avg 47.1% . +19.6pp since 2014
Math
53.7%
CA avg 35.6% . +12.7pp 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
62.8%
composite math + reading, all grades
Predicted
56.4%
based on CA schools with similar FRL share
Beats by
+6.4pp
above 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
870
-56 (-6%) vs 2017
Student : Teacher
23.4:1
was 26.8:1
% White
18%
was 25%
% Hispanic
59%
was 56%
% Black
2%
was 3%
% Asian
11%
was 7%
Source: NCES Common Core of Data

About Lone Hill Middle

Lone Hill Middle operates as a mid-tier middle school in San Dimas, California, part of Bonita Unified. Current enrollment sits at 870 students spanning grades 6 through 8. Compared to the state average of about 659 students per school, that is 32% above typical.

Bonita Unified comprises 15 schools with combined enrollment of 9,905 students; Lone Hill Middle is among them.

In terms of who attends, Lone Hill Middle lists that Hispanic students make up the majority at 59%. The remainder comes out to 18% White, 11% Asian, 10% multiracial, 2% Black. The wider county runs roughly 48% Hispanic, putting the school's mix visibly more Hispanic than the area baseline.

On the resource side, Staff filings list 37 full-time-equivalent teachers, which works out to roughly 23.4:1 students per teacher. Statewide, the average ratio sits near 20.7:1, putting Lone Hill Middle higher than the state norm the norm. Roughly 39% of students at Lone Hill Middle qualify for free or reduced-price lunch, often used as a Title I proxy. That share is noticeably below Los Angeles County's rate of about 70%.

On a residual basis (actual vs predicted given the student mix), Lone Hill Middle tracks the demographic baseline. The model predicts 56.4% given the school's FRL share; actual proficiency is 62.8%.

In the broader community, ACS estimates for Los Angeles County put median household earnings sit near $90,112, about 36% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 10%. Across Los Angeles County's 2244 public schools (combined enrollment of about 1,265,907 students), Lone Hill Middle is one campus in the mix.

Nearest neighbor: Adult Transition Program, around 0.2 miles off. Counting just inside five miles, 8 other public schools cluster around Lone Hill Middle. On composite proficiency, Lone Hill Middle comes 3rd of 6 in the immediate cluster, ahead of the nearby-schools average of 60.4%.

Lone Hill Middle operates from a residential location.

Looking at the recent track record. Lone Hill Middle's enrollment has shrank 6% since 2018, when it stood at 926 (now 870). White enrollment moved from 25% to 18% across the same window. The student-to-teacher ratio tightened from 26.8:1 in 2018 to 23.4:1 today.

On the community side, posts here usually surface around pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.

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
Lone Hill Middle
District
Bonita Unified
Address
700 South Lone Hill, San Dimas, CA 91773
Phone
(909) 971-8270
County
Los Angeles County
Level
Middle
Grade range
06–08
Total enrollment
870
Teachers (FTE)
37
Student–teacher ratio
23.4:1
Free/Reduced lunch
338 (39%)
Locale
21-Suburb: Large
NCES ID
060561000512
Charter school
No
Virtual school
No

Related schools

Other schools in Bonita Unified
Other schools in San Dimas
Nearby schools

Frequently asked questions

About Lone Hill Middle
How large is Lone Hill Middle?
Lone Hill Middle enrolls approximately 870 students in grades 06-08.
Is Lone Hill Middle an elementary, middle, or high school?
Lone Hill Middle is a middle school covering grades 06-08.
How many teachers does Lone Hill Middle have?
Lone Hill Middle employs 37 FTE teachers, for a student-to-teacher ratio of 23.4:1.
How diverse is Lone Hill Middle?
Lone Hill Middle reports a student body of 18% White, 59% Hispanic, 2% Black, 11% Asian, 10% Two or more.
What district is Lone Hill Middle in?
Lone Hill Middle is part of Bonita Unified.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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