Catholic school PreK-8 with specialized learning difference programs, small classes, and strong academics plus arts and sports
St. John XXIII Catholic School serves students in prekindergarten through 8th grade with explicit support for learning differences and ADD/ADHD. The school offers structured Learning Difference Programs alongside mainstream academics, allowing students with diverse learning needs to thrive in a faith-based environment. With an average class size of 17 students and 14 classroom teachers, the school provides close teacher-student relationships that support individualized attention.
The curriculum balances Catholic values with academic excellence and includes robust arts, music, and enrichment opportunities—including band, guitar, ukulele, and specialized clubs like robotics coding and 3D printing. Students in grades 5–8 can participate in recreational basketball and volleyball programs, and the school offers diverse clubs designed to build confidence and community engagement for all learners.
Located in Port Washington, Wisconsin, St. John XXIII charges $4,720 in annual tuition with pro-rated discounts for multiple siblings. Financial aid and scholarships are available, with 59% of families currently receiving support and an average grant of $1,000. Admission operates on a rolling basis with no deadline, and the school maintains a 100% acceptance rate, welcoming families seeking a Catholic education tailored to students with learning differences.
At a Glance
GradesPrekindergarten-8
Students193
Class Size17:1 ratio
Tuition$4,720
Fin. Aid59% receive aid
Est.1853
DeadlineNone / Rolling
Accreditation & Memberships
National Catholic Educational Association (NCEA)
Other religious school association(s)
School Information
| Year Founded | 1853 |
| Yearly Tuition Cost | $4,720 |
| Tuition Notes | Tuition is pro-rated for multiple students enrolled, and is different for Pre-3 and K4 students. Scholarships and Tuition Assistance are available. |
| Total Students | 193 |
| Total Classroom Teachers | 14 |
| Percent of Faculty with Advanced Degree | 35 |
| Average Class Size | 17 |
| Grades Offered | Prekindergarten-8 |
Admissions Information
| Admissions Director | Erin Brewster |
| Admission Deadline | None / Rolling |
| Acceptance Rate | 100 |
| Percent on Financial Aid | 59 |
| Average Financial Aid Grant | $1,000 |
Student Body Information
| Student Body Type | Co-ed |
| Percent of Students of Color | 10 |
Academic Programs Information
Special Education Programs
Learning Difference ProgramsADD/ADHD Support
Sports and Extracurricular Information
| Sports | Basketball · Cheering · Dance · Volleyball |
| Clubs and Organizations | Club or Organization: · 3D Printing · Art Club · Baking Club · Chess · Construction Club · Culture and Cooking Club · Knitting & Crocheting · Robot Coding · Sunshine Club · Arts and Music Programs: · Beginning Band (4th Grade) · Bell Choir · Concert Band (7th-8th Grade) · Guitar · Honors Band (by teacher nomination only) · Intermediate Band (5th-6th Grade) · Jazz Band (Middle School) · Ukulele · Recreational Athletic Programs: · 5th - 8th Grade Girls' & Boys' Basketball · 5th - 8th Grade Girls' & Boys' Volleyball |
Additional Information
| Classroom Dress Code | Formal |
| School Memberships | National Catholic Educational Association (NCEA) · Other religious school association(s) |
| Religious Affiliations | Catholic |
| School Calendar | stjohn23rd.school/school-events |
Contact the school
(262) 284-26821802 N Wisconsin St, Port Washington, Wisconsin 53074
stjohn23rd.school