St. Dominic High School
Independent Catholic school · Grades 9–12
Oyster Bay, NY
110 Anstice St, Oyster Bay, NY 11771
Overall grade: A-
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A-Class size
- ACollege-going
- B-Years serving families
- A-Diversity
What stands out
- 97% of graduates go to four-year colleges
- Smaller classes than 64% of Catholic schools in New York
St. Dominic High School is an independent Catholic school in Oyster Bay, New York, for students from 9th grade through 12th grade. It has about 280 students and around 11 students per teacher, smaller classes than 64% of Catholic high schools in New York. The school is part of the Diocese of Rockville Centre. The school reports that about 97% of its graduates go on to four-year colleges. Students attend about 7 hours a day, 180 days a year.
At a glance
- Grades
- Grades 9–12
- Students
- 280
- Teachers
- 25.4 (full-time equivalent)
- Students per teacher
- 11
- Boys and girls
- Coed · 122 girls, 158 boys
- Religious affiliation
- Catholic · Independent Catholic school
- Diocese
- Diocese of Rockville Centre
- School day
- About 7 hours
- School year
- 180 days
- Graduates going to 4-year colleges
- About 97% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 64% of Catholic high schools in New York (11 students per teacher).
- A smaller school: fewer students than 66% of Catholic high schools in New York.
- Compared with 64 Catholic high schools in New York.
Students by grade
Student body
Member of
- National Catholic Educational Association
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 St. Dominic High School
What grades does St. Dominic High School serve?
St. Dominic High School serves grades 9–12.
How many students attend St. Dominic High School?
About 280 students, with 11 students per teacher, according to official records.
How much is tuition at St. Dominic 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
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