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SCHOOL COMMUNITY·RIALTO UNIFIED·NCES 063237012561

Nancy R. Kordyak Elementary

4580 Mango Ave., Fontana, CA 92336 · (909) 421-4203 · San Bernardino County
GRADES KG–05ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL718 STUDENTS
B-
allk12 Grade
Scored higher than 49% of California public elementary schools
  • B-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • C+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • B+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 elementary schools

Enrollment
718
Elementary
DISTRICT 567 · STATE 465
Student : Teacher
22.6:1
32 FTE teachers
DISTRICT 23.8:1 · STATE 22.3:1
Free / Reduced Lunch
62%
447 students
DISTRICT 84% · STATE 65%
Community
6
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
Kindergarten17524%
Grade 111716%
Grade 211316%
Grade 311015%
Grade 410214%
Grade 510114%

This year's kindergarten class (175) is 73% larger than its 5th grade class (101).

Student demographics
42%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 24% · STATE 62% · US 70%
White
619%
DISTRICT 2% · STATE 20% · US 43%
Hispanic
53975%
DISTRICT 87% · STATE 56% · US 30%
Black
679%
DISTRICT 8% · STATE 5% · US 15%
Asian
294%
DISTRICT 1% · STATE 12% · US 6%
Two+
193%
DISTRICT 1% · STATE 6% · US 5%
Pacific Islander
20%
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
36951%
Female
34848%

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Test scores

CAASPP 2024-25 . % met or exceeded standard
English Language Arts
42.8%
CA avg 49.1% . +6.8pp since 2014
Math
35.0%
CA avg 37.7% . +8.0pp since 2014

What this means: On the CAASPP, California's statewide test, about 43 of every 100 students at this school read and write at grade level and about 35 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 7 points since 2014, while math scores are up about 8 points.

Performance levels, 2024-25

SubjectStandard ExceededStandard MetStandard Nearly MetStandard Not Met
English Language Arts15.5%27.3%21.9%35.4%
Math11.1%23.9%30.3%34.7%
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
2024-2542.8%35.0%
2023-2448.3%36.6%
2022-2342.7%36.9%
2021-2240.1%27.7%
2018-1950.5%41.5%
2017-1848.5%29.4%
2016-1740.5%30.9%
2015-1647.0%33.0%
2014-1536.0%27.0%
% 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
40.8%
composite math + reading, all grades
Predicted
43.1%
based on CA schools with similar FRL share
Beats by
-2.3pp
below demographic expectation

What this means: About 41% of students here test proficient in math and reading, compared with the roughly 43% 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 Nancy R. Kordyak Elementary

Nancy R. Kordyak Elementary's state test result (40.8% proficient) is higher than 2 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Nancy R. Kordyak Elementary this school71862.3%40.8%
Intensive Learning Center
Lakewood
64661.6%45.9%
North Ridge Elementary
Moreno Valley
70066.4%48.5%
Dorothy Grant Innovations Academy
Fontana
68269.1%51.0%
Creek View Elementary
Ontario
56666.6%40.3%
Los Amigos Elementary
Rancho Cucamonga
55065.3%21.6%
Matched among California elementary 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 Nancy R. Kordyak Elementary ranks

Among elementary schools
MeasureThis schoolIn CaliforniaIn San Bernardino County
State test proficiency
ranked highest first
40.8%#2,411 of 5,151#93 of 318
Math proficiency
ranked highest first
35.0%#2,748 of 5,172
▼ 293
#113 of 321
▼ 22
Reading proficiency
ranked highest first
42.8%#2,667 of 5,172
▼ 639
#117 of 321
▼ 41
3-year test score change
ranked biggest gain first
+5.0pp#1,666 of 5,116#118 of 318
Enrollment
ranked largest first
718#671 of 5,915#50 of 340
Students per teacher
ranked fewest first
22.6:1#2,681 of 5,352#139 of 328
Diversity index
ranked most diverse first
41.7%#3,326 of 5,354#162 of 328
Free and reduced lunch
ranked highest share first
62.3%#3,371 of 5,625#266 of 331
Enrollment change since 2017-18
ranked fastest growth first
+35.5%#100 of 1,139#6 of 67
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. 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
718
+175 (+32%) vs 2020
+47% since 2010-11, when it was 490
Student : Teacher
22.6:1
was 23.6:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2571831.822.6:162% (447)
2023-246773022.6:164% (430)
2022-236082921.0:156% (341)
2020-215432323.6:165% (355)
2017-1853022.523.6:167% (357)
2015-164881630.5:164% (310)
2010-11490N/AN/A71% (349)
Source: NCES Common Core of Data. Rows are the federal collections on file for Nancy R. Kordyak Elementary.

Since 2017-18: students up 35% (530 to 718); teachers up 41% (22.5 to 31.8).

About Nancy R. Kordyak Elementary

In Fontana, California, part of San Bernardino County, Nancy R. Kordyak Elementary is an elementary school. The school teaches kindergarten through 5 and enrolls 718 students. That is 54% larger than the average of about 465 students for elementary schools in California.

Nancy R. Kordyak Elementary is one school in a 29-school district, Rialto Unified, which enrolls 23,067 students.

The largest group at Nancy R. Kordyak Elementary is Hispanic students, at 75%. Other groups include 9% Black, 9% White, 4% Asian, and 3% multiracial. By comparison, San Bernardino County residents are about 55% Hispanic. On the diversity index, which measures the chance that two random students are from different groups, Nancy R. Kordyak Elementary scores 42%.

The school's 31.8 full-time-equivalent teachers translate to a student-to-teacher ratio of 22.6:1. That is in line with the 22.3:1 average for elementary schools in California. Income data for the school show 62% of students eligible for free or reduced-price lunch. On average, public schools in San Bernardino County report 74%.

Nancy R. Kordyak Elementary holds a B- allk12 Grade, placing it above 49% of California public elementary schools.

In California, Nancy R. Kordyak Elementary is in the middle band of BeatsExpectations: 40.8% actual against a predicted 43.1%.

In the surrounding county, San Bernardino County, the median household earns about $85,478 a year, the share of adults with a bachelor's degree or higher is 23%, and roughly 11% of residents are in poverty. San Bernardino County has 583 public schools with about 393,648 students, including Nancy R. Kordyak Elementary.

Dr. Edward Fitzgerald Elementary is about 0.8 miles from Nancy R. Kordyak Elementary, the shortest distance to any other public school. Counting only straight-line distance, at least 8 other public schools are within five miles. By average proficiency, Nancy R. Kordyak Elementary is 6th among 9 schools close by.

In the federal locale system, Nancy R. Kordyak Elementary is coded Suburb: Large, for schools in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

A 32% rise took enrollment from 543 in 2020-21 to 718 in 2024-25. There were fewer students per teacher in 2024-25 (22.6:1) than in 2020-21 (23.6:1).

You can use this page to share news and ask questions about athletics, class schedules, and weather closures. Current and former families are welcome to add their experience.

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
Nancy R. Kordyak Elementary
District
Rialto Unified
Address
4580 Mango Ave., Fontana, CA 92336
Phone
(909) 421-4203
County
San Bernardino County
Level
Elementary
Grade range
KG–05
Total enrollment
718
Teachers (FTE)
32
Student–teacher ratio
22.6:1
Free and reduced lunch
447 (62%)
Locale
21-Suburb: Large
NCES ID
063237012561
Charter school
No
Virtual school
No

Related schools

Other schools in Rialto Unified
Other schools in Fontana
Nearby schools

Frequently asked questions

About Nancy R. Kordyak Elementary
What is the total enrollment at Nancy R. Kordyak Elementary?
Nancy R. Kordyak Elementary enrolls approximately 718 students in grades KG-05.
What grades does Nancy R. Kordyak Elementary serve?
Nancy R. Kordyak Elementary serves grades KG-05.
How many students per teacher at Nancy R. Kordyak Elementary?
Approximately 22.6:1 students per teacher at Nancy R. Kordyak Elementary.
What is the student diversity at Nancy R. Kordyak Elementary?
Student demographics at Nancy R. Kordyak Elementary are roughly 9% White, 75% Hispanic, 9% Black, 4% Asian, 3% Two or more.
Who oversees Nancy R. Kordyak Elementary?
Nancy R. Kordyak Elementary 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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