St. Stanislaus Kostka School

Ststanislaus kostka School Staffed by fully certified, dedicated lay teachers, St.
Stan's is accredited by the Middle States Association of Colleges and Schools.
The only area school with Accelerated Reader® and Accelerated Math™ programs, St.
Stan's enables each child to reach his/her full academic potential.
St. Stan's offers a comprehensive curriculum, integrated with technology and designed to develop a child's critical thinking skills, preparing students for success in high school and college.
In fact, many of our graduates go on to the finest Catholic high schools and public school honors programs.
At St. Stan's we are proud of our secure facility, the first modern private school in the Sayreville area.
We offer a fully equipped media and computer center, as well as a modern library.
Our air-conditioned classrooms, extensive play area and acres of fields provide an excellent environment for comfort and active play.
At St. Stan's we see our children as spiritual treasures and our hope for the future.
In keeping with Catholic tradition, where faith and academics go hand in hand, religious education is more than a core curriculum course.
It is a foundation for the future, leading to responsible Catholic adulthood.

Quick Stats (2025)

  • Top Ranked NJ School
  • Grades: Prekindergarten-8
  • Enrollment: 126 students
  • Yearly Tuition: $25,000
  • Acceptance rate: 25%
  • Average class size: 15 students
  • Application Deadline: None / Rolling
  • Source: National Center for Education Statistics (NCES)

Top Rankings

St. Stanislaus Kostka School ranks among the top 20% of private schools in New Jersey for:

Category
Attribute
School History
School Resources

School Overview

Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1905
School Calendar
First Day of School
Fri. Aug 15, 2025
Last Day of School
Mon. May 25, 2026
Campus Size
50
School Motto
'Truth and Honor'
School Mascot
Wild Boars

Student Body

Total Students
126 students
Student Body Type
Co-ed
% Students of Color
31%
State avg.: 39%
Students by Grade
St. Stanislaus Kostka School Student By Grade

Academics and Faculty

Total Classroom Teachers
14 teachers
Student : Teacher Ratio
9:1
National avg.: 13:1
Average Class Size
15 students
Number of AP Courses
15 courses

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost
Acceptance Rate
25%
National avg.: 81%
Endowment Size
$50 million

School Notes

  • Sample of notable school alumni/alumnae:
    • John Doe, Nobel Laureate -
Source: National Center for Education Statistics (NCES)

Frequently Asked Questions

How much does St. Stanislaus Kostka School cost?
St. Stanislaus Kostka School's tuition is approximately $25,000 for private students.
What schools are St. Stanislaus Kostka School often compared to?
St. Stanislaus Kostka School is often viewed alongside schools like Our Lady Of Victories by visitors of our site.
What is the acceptance rate of St. Stanislaus Kostka School?
The acceptance rate of St. Stanislaus Kostka School is 25%, which is lower than the national average of 77%. St. Stanislaus Kostka School's acceptance rate is ranked among the top private schools in New Jersey with low acceptance rates.
Who are famous alumni from St. Stanislaus Kostka School?
St. Stanislaus Kostka School famous alumni include: John Doe, Nobel Laureate.
What is St. Stanislaus Kostka School's ranking?
St. Stanislaus Kostka School ranks among the top 20% of private schools in New Jersey for: Lowest average acceptance rates, Oldest founding date and Largest endowments.
When is the application deadline for St. Stanislaus Kostka School?
The application deadline for St. Stanislaus Kostka School is rolling (applications are reviewed as they are received year-round).

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Quick Stats (2025)

  • Top Ranked NJ School
  • Grades: Prekindergarten-8
  • Enrollment: 126 students
  • Yearly Tuition: $25,000
  • Acceptance rate: 25%
  • Average class size: 15 students
  • Application Deadline: None / Rolling
  • Source: National Center for Education Statistics (NCES)

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Did You Know?

The average private school tuition in Middlesex County, NJ is $14,672 for elementary schools and $17,405 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Middlesex County, NJ is 70% (read more about average acceptance rates across the country).

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