1
Which teacher or staff member at Lone Hill Middle deserves more recognition?
Community prompt from u/allk12. Replies below.
Enrollment
870
Middle
DISTRICT 1,121 · STATE 659
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
A
allk12 Grade
Scored higher than 91% of California public middle schools
- A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- A-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- A+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 middle schools
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
6
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 6 | 271 | 31% |
| Grade 7 | 285 | 33% |
| Grade 8 | 314 | 36% |
Student demographics
60%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 62% · STATE 62% · US 70%
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
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
71.1%
CA avg 49.1% . +19.1pp since 2014
Math
54.3%
CA avg 37.7% . +13.3pp since 2014
What this means: On the CAASPP, California's statewide test, about 71 of every 100 students at this school read and write at grade level and about 54 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are up about 19 points since 2014, while math scores are up about 13 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 35.7% | 35.4% | 17.3% | 11.6% |
| Math | 31.8% | 22.5% | 22.4% | 23.3% |
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 year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 71.1% | 54.3% |
| 2023-24 | 71.6% | 53.7% |
| 2022-23 | 65.7% | 47.0% |
| 2021-22 | 60.8% | 42.1% |
| 2018-19 | 65.6% | 54.3% |
| 2017-18 | 64.2% | 47.7% |
| 2016-17 | 61.7% | 47.5% |
| 2015-16 | 51.0% | 41.0% |
| 2014-15 | 52.0% | 41.0% |
% 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 · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
62.7%
composite math + reading, all grades
Predicted
56.8%
based on CA schools with similar FRL share
Beats by
+6.0pp
above demographic expectation
What this means: About 63% of students here test proficient in math and reading, compared with the roughly 57% 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 Lone Hill Middle
Lone Hill Middle's state test result (62.7% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Lone Hill Middle this school | 870 | 38.9% | 62.7% |
| Vineyard Junior High Alta Loma | 933 | 41.3% | 59.2% |
| Bonita Vista Middle Chula Vista | 972 | 39.4% | 44.5% |
| El Roble Intermediate Claremont | 952 | 35.9% | 59.0% |
| Borel Middle San Mateo | 903 | 46.4% | 43.7% |
| Sierra Vista Junior High Canyon Country | 946 | 43.4% | 42.5% |
Matched among California middle 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 Lone Hill Middle ranks
Among middle schools| Measure | This school | In California | In Los Angeles County |
|---|---|---|---|
| State test proficiency ranked highest first | 62.7% | #195 of 1,224 | #37 of 248 |
| Math proficiency ranked highest first | 54.3% | #238 of 1,227 ▼ 27 | #49 of 248 ▼ 8 |
| Reading proficiency ranked highest first | 71.1% | #168 of 1,227 ▼ 21 | #30 of 248 ▼ 3 |
| 3-year test score change ranked biggest gain first | +11.2pp | #50 of 1,214 | #19 of 247 |
| Enrollment ranked largest first | 870 | #335 of 1,377 | #81 of 317 |
| Students per teacher ranked fewest first | 23.4:1 | #1,010 of 1,279 | #213 of 301 |
| Diversity index ranked most diverse first | 60.0% | #431 of 1,278 | #57 of 301 |
| Free and reduced lunch ranked highest share first | 38.9% | #1,061 of 1,329 | #271 of 312 |
| Enrollment change since 2017-18 ranked steepest decline first | -6.0% | #791 of 930 | #188 of 213 |
Ranked against other public middle 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 2024-25Enrollment
870
-16 (-2%) vs 2020
-17% since 1990-91, when it was 1,042
Student : Teacher
23.4:1
was 23.9:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 870 | 37.2 | 23.4:1 | 39% (338) |
| 2023-24 | 906 | 37.1 | 24.4:1 | 40% (366) |
| 2022-23 | 912 | 36.8 | 24.8:1 | 40% (364) |
| 2020-21 | 886 | 37 | 23.9:1 | 41% (361) |
| 2017-18 | 926 | 34.6 | 26.8:1 | 45% (420) |
| 2015-16 | 953 | 35 | 27.2:1 | 39% (371) |
| 2010-11 | 883 | N/A | N/A | 35% (306) |
| 2000-01 | 1,124 | 41 | 27.4:1 | 26% (294) |
| 1990-91 | 1,042 | 41 | 25.4:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Lone Hill Middle.
Since 2017-18: students down 6% (926 to 870); teachers up 8% (34.6 to 37.2).
About Lone Hill Middle
Lone Hill Middle is listed by the National Center for Education Statistics as a middle school in San Dimas, California. Grades offered run from 6 through 8, with 870 students enrolled. For comparison, middle schools in California average about 659 students.
Bonita Unified is made up of 15 schools with 9,905 students in all.
Roughly 59% of students at Lone Hill Middle are Hispanic. Enrollment also includes 18% White, 11% Asian, 10% multiracial, and 2% Black. Among people living in Los Angeles County, the Hispanic share is about 48%. Lone Hill Middle's diversity index is 60%, against a US figure of 70%.
With 37.2 full-time-equivalent teachers in 2024-25, the ratio at Lone Hill Middle was 23.4:1. This ratio sits 2.7 above the 20.7:1 average for middle schools in California. A measure often used for student poverty, free or reduced-price lunch eligibility, stands at 39%. That rate is below the 70% average among public schools in Los Angeles County.
allk12 grades Lone Hill Middle an A. The grade compares the school only with California public middle schools, because each state gives its own test.
Lone Hill Middle's actual average proficiency rate on state tests (62.7%) and its predicted rate (56.8%) put it outside the top and bottom 10% of California schools.
Census Bureau estimates for Los Angeles County show that the median household income is $90,112, roughly 36% of adults have a four-year degree or more, and the share of residents below the poverty line is 10%. There are 2,244 public schools in Los Angeles County, enrolling about 1,265,907 students in all.
The shortest distance from Lone Hill Middle to another public school is about 0.2 miles, to San Dimas High. Other public schools within five miles: at least 8. The nearest schools with test data average 60.8%, lower than Lone Hill Middle's 62.7%.
By NCES locale, the school is Suburb: Large, or in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Federal data show 886 students in 2020-21 and 870 in 2024-25, a difference of under 3%.
Parents and students can post about sports schedules, lunch menus, and spirit week at Lone Hill Middle. Questions from prospective families are welcome too.
Los Angeles County at a glance
View full county profilePopulation
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
Related schools
Other schools in Bonita Unified
- Bonita HighHigh · 1,911 students
- Ramona MiddleMiddle · 1,371 students
- San Dimas HighHigh · 1,235 students
- J. Marion Roynon ElementaryElementary · 842 students
- Arma J. Shull ElementaryElementary · 633 students
- Oak Mesa ElementaryElementary · 582 students
Other schools in San Dimas
- Ramona MiddleMiddle · 1,371 students
- San Dimas HighHigh · 1,235 students
- Arma J. Shull ElementaryElementary · 633 students
- Gladstone ElementaryElementary · 518 students
- Fred Ekstrand ElementaryElementary · 475 students
- Allen Avenue ElementaryElementary · 467 students
Nearby schools
- San Dimas High0.2 mi · 1,235
- Adult Transition Program0.2 mi · 11
- Glen Oak Elementary1.0 mi · 428
- Gladstone Elementary1.1 mi · 518
- Willow Elementary1.3 mi · 388
- Arma J. Shull Elementary1.3 mi · 633
Frequently asked questions
About Lone Hill MiddleHow 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.