Immaculate High School

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Immaculate High School

Private High School | Grade 9-12
73 Southern Blvd,  Danbury, CT
4.5
3.9
405 Students
A+
Niche Grade

School Details

Head of School
Mary R. Maloney
Student Teacher Ratio
11:1
Average SAT Score
1250
Average ACT Score
27
Average GPA
3.67
Graduation Rate
100%
Annual Tuition
$19,250
Religious Affiliation
Catholic

Niche Grade

A
Academics
B+
Teachers
A
College Prep
A+
Resources/Facilities
A+
Clubs and Activities
A+
Sports
Source: Niche
Niche Grades

Niche grades and rankings are calculated using dozens of public data sets and millions of reviews. Niche data scientists and user researchers rigorously analyze data and user opinions to assess the key aspects of K-12 Schools, Colleges, and Places to Live. Every month, millions of students and families use the Niche grades and report cards to find the right school or neighborhood.

Niche Grade Details

Academics
Average GPA
3.67
Teachers
Student Teacher Ratio
11:1
Teachers
39
Full Time Teachers
32
Part Time Teachers
7
Teachers in First or Second Year
3%
College Prep
Average SAT
1250
Math
630
Verbal
630
Average ACT
27
Math
25
English
28
Reading
29
Science
26
Number of AP Courses
21
AP Pass Rate
88%
AP Math Enrollment
High
AP Science Enrollment
Very High
Other AP Enrollment
Very High
Four-Year Matriculation Rate
100%
Clubs and Activities
Girls Athletic Participation
Very High
Boys Athletic Participation
Very High

GreatSchools Rating Details

Student Diversity

Female
55.8%
Male
44.2%
White
77.1%
Hispanic
12.3%
Asian
7.2%
Black
2.3%
Two or more races
<1%
Native Hawaiian or Other Pacific Islander
<1%

School Rankings

#3 Best Catholic Schools in Connecticut
#12 Best HS For Athletes in Connecticut
#22 Most Diverse Private HS in Connecticut
Source: Niche

Specialty School Programs

AP Programs Offered
Athletics Program

Colleges Students are Considering

Students are most interested in or go on to attend these colleges.
University of Connecticut 174 Students
Fairfield University 109 Students
Sacred Heart University 98 Students
Quinnipiac University 88 Students
Western Connecticut State University 85 Students
Boston University 77 Students
Boston College 74 Students
Providence College 70 Students
University of Rhode Island 66 Students
Villanova University 63 Students

What Students Want to Study

Niche users from this school are most interested in the following majors.
Business 98 Students
Nursing 67 Students
Psychology 55 Students
Biology 53 Students
Finance 46 Students
Pre-Medicine Studies 45 Students
Marketing 31 Students
Pre-Law Studies 30 Students
Political Science and Government 29 Students
Graphic Design 25 Students

This School’s Reviews

Niche Reviews
4.5 155 Reviews
5.0 Junior
11/3/2025
Overall, a good school. STEM and science courses are really strong, with well qualified teachers who teach well. Counseling department was willing to move a lot to make my schedule work. English department is lacking, but engineering, science, math, and nursing programs are all really strong.
5.0 Alum
7/31/2025
Immaculate is a special place - a wonderful community with great people and countless opportunities inside and outside the classroom.
5.0 Sophomore
2/12/2025
My time at immaculate so far has been amazing. From the teachers, classes, and coaches I'm always feeling challenged and pushed to be the best that I can be. As a transfer student I felt it was very easy to talk and make friends on the first day with how welcoming and outgoing the community is. Everyone wants to see you succeed and that is the best part.
GreatSchools Reviews
3.9 22 Reviews
5.0 parent
1/16/2026
We love IHS. My son is very involved in a wide range of extracurricular activities and is doing well academically in part due to the smaller class sizes and individual attention he gets from the great teachers there. IHS is a great mix of all the things you want in a high school-great academics, sup...
5.0 other
8/27/2025
As a coach at IHS, it is a privilege to belong to a school community where the student body prides themselves on their commitment to academic excellence. Students at Immaculate learn the importance of balancing extracurricular activities with a rigorous college prep curriculum, allowing them to prac...
5.0 parent
7/28/2025
Immaculate High School offered a different experience for all four of my children. They were known by name and celebrated for their individual gifts and talents. For a small school, Immaculate offered opportunities to participate in a variety of extra curricular activities gaining experience working...
5.0 parent
7/27/2025
My children received an excellent education at Immmaculate High School that gave them a strong academic foundation to be successful in college. The faculty, staff and coaches provided a family atmostphere that built confidence and fostered success.

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Immaculate High School is a private Catholic school for students in grades 9-12 located at 73 Southern Blvd in Danbury, in the Danbury neighborhood. Annual tuition is $19,250. The school has a total enrollment of 405 and maintains a student-teacher ratio of 11:1. Immaculate High School has received feedback and ratings, with a Niche grade of A+. The average GPA is 3.67, the graduation rate is 100%, and average standardized test scores include an SAT score of 1250 and an ACT score of 27. The average home value in this area is $525,189. Discover additional schools in the area, like Green Chimneys School, Faith Academy, Henry Abbott Technical High School, and more. Learn more about what Danbury has to offer, and browse homes for sale and for rent near Immaculate High School.

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