Mercy High School serves 375 students in grades 9-12, is a member of the National Catholic Educational Association (NCEA) and the Other religious school association(s).
The student:teacher of Mercy High School is 13:1 and the school's religious affiliation is Catholic.
Quick Stats (2025)
- Top Ranked CT School
- Grades: 9-12
- Enrollment: 375 students
- Yearly Tuition: $10,350
- Acceptance rate: 91%
- Average class size: 21 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
Mercy High School ranks among the top 20% of private schools in Connecticut for:
Category
Attribute
Student Body
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades 9-12
Year Founded
1963
School Calendar
Student Body
Total Students
375 students
Student Body Type
% Students of Color
22%
State avg.: 31%
Students by Grade

Academics and Faculty
Total Classroom Teachers
30 teachers
Student : Teacher Ratio
13:1
National avg.: 13:1
% Faculty w/Advanced Degree
80%
Average Class Size
21 students
Number of AP Courses
13 courses
Average SAT score
1064
(Out of 1600)
Classroom Dress Code
Formal
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
$10,350
% on Financial Aid
30%
Average Financial Aid Grant
$1,500
Acceptance Rate
91%
National avg.: 85%
Admissions Director
Mrs. Diane Santostefano
Sports
Total Sports Offered
14 sports
Sports
Source: Verified school update
Frequently Asked Questions
How much does Mercy High School cost?
Mercy High School's tuition is approximately $10,350 for private students.
What is the acceptance rate of Mercy High School?
The acceptance rate of Mercy High School is 91%, which is higher than the national average of 70%.
What sports does Mercy High School offer?
Mercy High School offers 14 interscholastic sports: Basketball, Cheering, Cross Country, Diving, Field Hockey, Golf, Lacrosse, Soccer, Softball, Swimming, Tennis, Track and Field, Volleyball and Winter Track.
What is Mercy High School's ranking?
Mercy High School ranks among the top 20% of private schools in Connecticut for: Largest student body.
When is the application deadline for Mercy High School?
The application deadline for Mercy High School is rolling (applications are reviewed as they are received year-round).
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