Cardinal O'Hara High School
Independent Catholic school · Grades 9–12
Tonawanda, NY
39 Ohara Rd, Tonawanda, NY 14150
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- AClass size
- A-College-going
- BYears serving families
- ADiversity
What stands out
- Smaller classes than 83% of Catholic schools in New York
- 89% of graduates go to four-year colleges
In Tonawanda, New York, Cardinal O'Hara High School is an independent Catholic school for students from 9th grade through 12th grade. About 181 students attend, with roughly 9 students per teacher, smaller classes than 83% of Catholic high schools in New York. The school is part of the Diocese of Buffalo. The school reports that about 89% of its graduates go on to four-year colleges. The school day runs about 6.5 hours, 181 days a year.
At a glance
- Grades
- Grades 9–12
- Students
- 181
- Teachers
- 21.1 (full-time equivalent)
- Students per teacher
- 8.6
- Boys and girls
- Coed · 89 girls, 92 boys
- Religious affiliation
- Catholic · Independent Catholic school
- Diocese
- Diocese of Buffalo
- School day
- About 6.5 hours
- School year
- 181 days
- Graduates going to 4-year colleges
- About 89% (the school's estimate for the class before the survey)
Reviews
Be the first to share what you love about Cardinal O'Hara High School.
How it compares
- Smaller classes than 83% of Catholic high schools in New York (9 students per teacher).
- A smaller school: fewer students than 86% of Catholic high schools in New York.
- Compared with 64 Catholic high schools in New York.
Students by grade
Student body
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about Cardinal O'Hara High School
What grades does Cardinal O'Hara High School serve?
Cardinal O'Hara High School serves grades 9–12.
How many students attend Cardinal O'Hara High School?
About 181 students, with 9 students per teacher, according to official records.
How much is tuition at Cardinal O'Hara High School?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
Other private schools nearby
New Life Christian School
Christian school (nondenominational) · Grades K–12
The only Christian school in Tonawanda
Tonawanda, NY0.6 mi
Mount St. Mary Academy
Independent Catholic school · Grades 9–12
The smallest classes of any Catholic school in Buffalo
Buffalo, NY1.0 mi
St. Andrews Country Day School
Diocesan school · Grades Pre-K–8
Smaller classes than 98% of Catholic schools in New York
Kenmore, NY1.5 mi
St. Christopher Elementary School
Diocesan school · Grades Pre-K–8
Smaller classes than 69% of Catholic schools in New York
Tonawanda, NY2.8 mi
St. Josephs Collegiate Institute
Independent Catholic school · Grades 9–12
The largest Catholic school in Buffalo
Buffalo, NY2.9 mi
Christian Academy of Western New York
Christian school (nondenominational) · Grades Pre-K–12
Serving families in North Tonawanda since at least 2011
North Tonawanda, NY3.2 mi