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SCHOOL COMMUNITY·RIALTO UNIFIED·NCES 063237004994

Ben F. Kolb Middle

2351 North Spruce St., Rialto, CA 92377 · (909) 820-7849 · San Bernardino County
GRADES 06–08MIDDLE21-SUBURBTITLE IREGULAR SCHOOL917 STUDENTS
B
allk12 Grade
Scored higher than 60% of California public middle schools
  • B-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • B+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

Enrollment
917
Middle
DISTRICT 1,071 · STATE 659
Student : Teacher
24.9:1
37 FTE teachers
DISTRICT 24.4:1 · STATE 20.7:1
Free / Reduced Lunch
81%
747 students
DISTRICT 84% · 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

GradeStudentsShare
Grade 631034%
Grade 729332%
Grade 831434%
Student demographics
33%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 24% · STATE 62% · US 70%
White
273%
DISTRICT 2% · STATE 20% · US 43%
Hispanic
74381%
DISTRICT 87% · STATE 56% · US 30%
Black
10612%
DISTRICT 8% · STATE 5% · US 15%
Asian
81%
DISTRICT 1% · STATE 12% · US 6%
Two+
243%
DISTRICT 1% · STATE 6% · US 5%
Native American
20%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
61%
DISTRICT 0% · 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
48052%
Female
43648%

Discussions

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
46.6%
CA avg 49.1% . +15.6pp since 2014
Math
25.8%
CA avg 37.7% . +11.8pp since 2014

What this means: On the CAASPP, California's statewide test, about 47 of every 100 students at this school read and write at grade level and about 26 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 16 points since 2014, while math scores are up about 12 points.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts14.6%32.0%28.7%24.7%
Math12.5%13.3%24.9%49.3%
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
2024-2546.6%25.8%
2023-2439.2%20.6%
2022-2338.6%17.9%
2021-2241.9%20.3%
2018-1935.7%18.9%
2017-1826.7%17.1%
2016-1727.3%15.9%
2015-1628.0%15.0%
2014-1531.0%14.0%
% 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
33.1%
composite math + reading, all grades
Predicted
31.8%
based on CA schools with similar FRL share
Beats by
+1.3pp
above demographic expectation

What this means: About 33% of students here test proficient in math and reading, compared with the roughly 32% 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 Ben F. Kolb Middle

Ben F. Kolb Middle's state test result (33.1% proficient) is higher than 5 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Ben F. Kolb Middle this school91781.5%33.1%
Washington Middle
Long Beach
84982.3%23.6%
Curran Middle
Bakersfield
97387.4%19.3%
Terrace Hills Middle
Grand Terrace
85279.5%19.6%
Hamilton Middle
Long Beach
74884.6%25.7%
Rancho Medanos Junior High
Pittsburg
81282.5%20.8%
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 Ben F. Kolb Middle ranks

Among middle schools
MeasureThis schoolIn CaliforniaIn San Bernardino County
State test proficiency
ranked highest first
33.1%#668 of 1,224#27 of 76
Math proficiency
ranked highest first
25.8%#699 of 1,227
▲ 79
#27 of 76
▲ 7
Reading proficiency
ranked highest first
46.6%#561 of 1,227
▲ 113
#24 of 76
▲ 4
3-year test score change
ranked biggest gain first
+5.1pp#306 of 1,214#20 of 73
Enrollment
ranked largest first
917#287 of 1,377#24 of 79
Students per teacher
ranked fewest first
24.9:1#1,167 of 1,279#64 of 74
Diversity index
ranked most diverse first
32.7%#913 of 1,278#44 of 74
Free and reduced lunch
ranked highest share first
81.5%#508 of 1,329#40 of 77
Enrollment change since 2017-18
ranked steepest decline first
-6.9%#766 of 930#50 of 56
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 2024-25
Enrollment
917
-125 (-12%) vs 2020
-47% since 1990-91, when it was 1,736
Student : Teacher
24.9:1
was 26.7:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2591736.824.9:181% (747)
2023-2489837.124.2:185% (760)
2022-2390136.124.9:180% (721)
2020-211,0423926.7:187% (909)
2017-1898539.824.7:183% (817)
2015-169603725.9:181% (779)
2010-111,013N/AN/A83% (838)
2000-011,3375424.8:166% (883)
1990-911,7366626.3:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Ben F. Kolb Middle.

Since 2017-18: students down 7% (985 to 917); teachers down 8% (39.8 to 36.8).

About Ben F. Kolb Middle

Ben F. Kolb Middle is a mid-sized middle-grades school based in Rialto, California. It teaches 917 students in grades 6 through 8. Middle schools in California have about 659 students on average; enrollment here is 39% higher.

Besides Ben F. Kolb Middle, Rialto Unified runs 28 other schools. The district enrolls 23,067 students.

The share of Hispanic students at Ben F. Kolb Middle is 81%. Next come 12% Black, 3% White, and 3% multiracial. The county population is about 55% Hispanic. On the diversity index, which measures the chance that two random students are from different groups, Ben F. Kolb Middle scores 33%.

Staffing at Ben F. Kolb Middle comes to 36.8 full-time-equivalent teachers, or 24.9:1. By comparison, the average for middle schools in California is 20.7:1. Ben F. Kolb Middle counts 81% of students as eligible for free or reduced-price lunch.

Ben F. Kolb Middle holds a B allk12 Grade, placing it above 60% of California public middle schools.

After adjusting for student poverty, Ben F. Kolb Middle lands between the top and bottom 10% of California schools. Its average proficiency rate across its state test results is 33.1%; the prediction is 31.8%.

The school's county is San Bernardino County. According to Census Bureau estimates, median household income comes to about $85,478, the share of adults with a bachelor's degree or higher is 23%, and about 11% of people live in poverty. San Bernardino County's 583 public schools enroll about 393,648 students and include Ben F. Kolb Middle.

About 0.4 miles separate Ben F. Kolb Middle from the closest public school, W.J.C. Trapp Elementary. A five-mile radius around the school includes at least 8 other public schools. Ben F. Kolb Middle ranks 5th of 7 among nearby schools on average proficiency, with 33.1% against a local average of 37.2%.

The school's locale code, Suburb: Large, means it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

In 2020-21, Ben F. Kolb Middle enrolled 1,042 students. By 2024-25, that number had fallen to 917. The student-to-teacher ratio went down from 26.7:1 to 24.9:1.

This page is set up for the Ben F. Kolb Middle community to discuss open houses, carpools, and field trips. Members of the school community can share what they know.

San Bernardino County at a glance

View full county profile
Population
2,197,104
Census ACS
Median income
$85,478
Household, ACS
Bachelor's+
23%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
583
393,648 students

Quick facts

School name
Ben F. Kolb Middle
District
Rialto Unified
Address
2351 North Spruce St., Rialto, CA 92377
Phone
(909) 820-7849
County
San Bernardino County
Level
Middle
Grade range
06–08
Total enrollment
917
Teachers (FTE)
37
Student–teacher ratio
24.9:1
Free and reduced lunch
747 (81%)
Locale
21-Suburb: Large
NCES ID
063237004994
Charter school
No
Virtual school
No

Related schools

Other schools in Rialto Unified
Other schools in Rialto
Nearby schools

Frequently asked questions

About Ben F. Kolb Middle
What is the total enrollment at Ben F. Kolb Middle?
Ben F. Kolb Middle enrolls approximately 917 students in grades 06-08.
What age range does Ben F. Kolb Middle serve?
Ben F. Kolb Middle serves students from grade 06 through grade 08.
What is the student-teacher ratio at Ben F. Kolb Middle?
The student-to-teacher ratio at Ben F. Kolb Middle is approximately 24.9:1 (37 FTE teachers).
What is the student diversity at Ben F. Kolb Middle?
Student demographics at Ben F. Kolb Middle are roughly 3% White, 81% Hispanic, 12% Black, 1% Asian, 3% Two or more.
Who oversees Ben F. Kolb Middle?
Ben F. Kolb Middle is overseen by Rialto Unified in San Bernardino County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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