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SCHOOL COMMUNITY·ONTARIO LOCAL·NCES 390494703608

Ontario High School

467 Shelby Ontario Rd, Mansfield, OH 44906 · (419) 529-3969 · Richland County
GRADES 09–12HIGH41-RURALREGULAR SCHOOL540 STUDENTS
Enrollment
540
High
DISTRICT 644 · STATE 565
Student : Teacher
18.2:1
30 FTE teachers
DISTRICT 20.2:1 · STATE 17.7:1
Free / Reduced Lunch
35%
188 students
DISTRICT 35% · STATE 43%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 917232%
Grade 1016931%
Grade 1110620%
Grade 129317%
Student demographics
33%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 28% · STATE 54% · US 70%
White
44081%
DISTRICT 85% · STATE 65% · US 43%
Hispanic
224%
DISTRICT 2% · STATE 8% · US 30%
Black
275%
DISTRICT 3% · STATE 17% · US 15%
Asian
183%
DISTRICT 2% · STATE 3% · US 6%
Two+
326%
DISTRICT 7% · STATE 7% · US 5%
Pacific Islander
10%
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
25547%
Female
28553%

School pathway

Feeds from
Ontario Middle School06–08
Based on grade levels within Ontario Local. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

Ohio's State Tests 2024-25 . % Proficient or Above
English Language Arts
72.7%
OH avg 59.8% . -5.7pp since 2021
Math
70.3%
OH avg 56.1% . +9.8pp since 2021

What this means: On the Ohio's State Tests, Ohio's statewide test, about 73 of every 100 students at this school read and write at grade level and about 70 of 100 do math at grade level. Across all Ohio schools, those numbers are about 60 and 56. Reading and writing scores are down about 6 points since 2021, while math scores are up about 10 points.

Ohio's State Tests results by year

School yearEnglish Language ArtsMath
2024-2572.7%70.3%
2023-2477.4%69.3%
2022-2369.0%70.0%
2021-2278.4%60.5%
% Proficient or Above, all students and all tested grades.
Source: Ohio's State Tests. 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
74.7%
composite math + reading, all grades
Predicted
75.7%
based on OH schools with similar FRL share
Beats by
-0.9pp
below demographic expectation

What this means: About 75% of students here test proficient in math and reading, compared with the roughly 76% typical for Ohio 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 Ohio'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 Ontario High School

Ontario High School's state test result (74.7% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Ontario High School this school54034.8%74.7%
Batavia High School
Batavia
67937.7%66.3%
Bath High School
Lima
43735.7%81.6%
Shawnee High School
Lima
67330.3%77.4%
Perkins High School
Sandusky
53931.5%74.1%
Talawanda High School
Oxford
88935.2%68.9%
Matched among Ohio high 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 Ontario High School ranks

Among high schools
MeasureThis schoolIn OhioIn Richland County
State test proficiency
ranked highest first
74.7%#159 of 403#2 of 7
Math proficiency
ranked highest first
70.3%#124 of 776
▼ 11
#1 of 10
no change
Reading proficiency
ranked highest first
72.7%#259 of 774
▼ 80
#3 of 10
▼ 1
3-year test score change
ranked biggest gain first
+2.0pp#458 of 742#8 of 10
Enrollment
ranked largest first
540#355 of 888#5 of 11
Students per teacher
ranked fewest first
18.2:1#501 of 739#8 of 9
Diversity index
ranked most diverse first
32.7%#282 of 749#3 of 9
Free and reduced lunch
ranked highest share first
34.8%#289 of 435#8 of 8
Enrollment change since 2017-18
ranked steepest decline first
-3.4%#428 of 484#6 of 7
Ranked against other public high 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
540
0 (0%) vs 2020
+16% since 1990-91, when it was 464
Student : Teacher
18.2:1
was 18.0:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2554029.718.2:135% (188)
2023-2453429.618.0:127% (145)
2022-2352729.617.8:124% (128)
2020-215403018.0:1N/A
2017-1855929.219.1:127% (150)
2015-165482918.9:128% (155)
2010-114772916.4:118% (88)
2000-015632919.4:14% (20)
1990-914642717.2:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Ontario High School.

Since 2017-18: students down 3% (559 to 540); teachers up 2% (29.2 to 29.7).

About Ontario High School

Ontario High School is a high school in Mansfield, Ohio, according to federal school records. It is open to students in grades 9 through 12 and enrolls 540 students.

Ontario Local serves 1,933 students across 3 schools.

By race and ethnicity, Ontario High School is 81% White. The remaining shares are 6% multiracial, 5% Black, 4% Hispanic, and 3% Asian. In Richland County overall, the White share is about 85%. A diversity index of 33% means there is a 33% chance two randomly chosen students at Ontario High School are from different groups.

Ontario High School lists 29.7 full-time-equivalent teachers; that is about 18.2 students per teacher. It is about the same as the 17.7:1 average for high schools in Ohio. Free or reduced-price lunch covers 35% of the student body. Compared with the 54% average for public schools in Richland County, the school's rate is lower.

Predicted from its free or reduced-price lunch share, Ontario High School would score about 75.7%. It scores 74.7%, within a point of that figure.

The school's county is Richland County. According to Census Bureau estimates, the median household earns about $59,509 a year, roughly 18% of adults have a four-year degree or more, and the share of residents below the poverty line is 10%. Ontario High School shares Richland County with 48 other public schools.

Of the public schools around it, Ontario High School is closest to Ontario Middle School, less than a tenth of a mile away. Inside a five-mile radius, there are 7 other public schools.

On the NCES locale scale, the school is Rural: Fringe.

Compared with 2020-21, when it had 540 students, enrollment in 2024-25 was about the same at 540.

This page is set up for the Ontario High School community to discuss homework, tutoring, and testing dates. Current and former families are welcome to add their experience.

Richland County at a glance

View full county profile
Population
125,099
Census ACS
Median income
$59,509
Household, ACS
Bachelor's+
18%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
49
18,772 students

Quick facts

School name
Ontario High School
District
Ontario Local
Address
467 Shelby Ontario Rd, Mansfield, OH 44906
Phone
(419) 529-3969
County
Richland County
Level
High
Grade range
09–12
Total enrollment
540
Teachers (FTE)
30
Student–teacher ratio
18.2:1
Free and reduced lunch
188 (35%)
Locale
41-Rural: Fringe
NCES ID
390494703608
Charter school
No
Virtual school
No

Related schools

Other schools in Ontario Local
Other schools in Mansfield
Other Ontario High schools

2 other US public schools in 3 states are named Ontario High. Ontario High School is the 3rd largest of the 3.

Nearby schools

Frequently asked questions

About Ontario High School
How many students attend Ontario High School?
Ontario High School enrolls approximately 540 students in grades 09-12.
Is Ontario High School an elementary, middle, or high school?
Ontario High School is a high school covering grades 09-12.
What is the student-teacher ratio at Ontario High School?
The student-to-teacher ratio at Ontario High School is approximately 18.2:1 (30 FTE teachers).
What is the student diversity at Ontario High School?
Student demographics at Ontario High School are roughly 81% White, 4% Hispanic, 5% Black, 3% Asian, 6% Two or more.
Who oversees Ontario High School?
Ontario High School is overseen by Ontario Local in Richland County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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