St. John XXIII Catholic School

  • St. John XXIII Catholic School continues a 163-year tradition of instilling Catholic values and academic excellence for students and families in the community.
  • Our faculty and staff are committed to building a solid foundation for life for students in grades preschool through 8th grades.
  • Our curriculum accommodates students' diverse learning styles and prepares them to excel beyond our doors using "real world" tools.

Top Placements

St. John XXIII Catholic School places among the top 20% of private schools in Wisconsin for:

School Overview

School Membership(s)School Assoc.National Catholic Educational Association (NCEA)
Other religious school association(s)
Religious AffiliationRoman Catholic
Grades OfferedGrades Nursery/Preschool-8
Year Founded1853

Student Body

Total Students214 students
Student Body Typen/a
% Students of Color
State avg.: 28%
Students by GradeSt. John XXIII Catholic School Student By Grade

Academics and Faculty

Total Classroom Teachers21 teachers
Student : Teacher Ratio10:1
National avg.: 13:1
Average Class Size15 students

Finances and Admission

Admission DeadlineNone / Rolling
Yearly Tuition Cost$3,549
Tuition NotesTuition is pro-rated for multiple students enrolled. Tuition Assistance is available.
% on Financial Aid
Admissions DirectorJulie Pannemann


Total Sports Offered2 sports
SportsBasketball, VolleyballBasketballVolleyball,


Total ExtracurricularsTotal Extra-curric.9 extracurriculars
ExtracurricularsExtra-curric.Club or Organization:
Boy & Girl Scouts, Lego Club, Spanish Club

Arts and Music Programs:
5th Grade Band, 6th - 8th Grade Concert Band, Choir, Jazz Band

Recreational Athletic Programs:
5th - 8th Grade Girls' & Boys' Basketball, 5th - 8th Grade Girls' & Boys' Volleyball

School Notes

  • St. John XXIII Catholic school is a destination to serve, love, learn, and lead as disciples of Christ. Our commitment to academic excellence, service, discipleship and community promotes student success. Every child is nurtured, challenged and known as an individual.
  • Our curriculum includes Reading, Math (including Pre-Algebra & Algebra), Language Arts, Science, Social Studies, Religion, Technology, Physical Education, Art, and Music. Spanish is offered to students in K-8th grades. Beginning Band, Concert Band, Jazz Band, & Guitar are are avaialble to student in grades 5 - 8.
  • STEAM concepts (Science, Technology, Engineering, Art, & Math) are integrated throughout our curriculum.In addition to the regular curriculum, middle-school students have the opportunity of choosing two additional electives in the areas of fine arts, STEAM/Makerspace, or extended learning/enrichment help. Fine arts electives include mallet madness/world drumming, music technology/video creation, and theater/drama.
  • Through the application of appropriate educational research, our fully certified staff strives to create an integrated subject approach. Additionally, we employ a standardized testing program to constantly evaluate and improve our course offerings.
  • Instructor/Student Ratio: The average class size at SJ23 is 16 students. The  instructional faculty to student ratio is 1:11.
  • Technology at SJ23 enhances traditional and hands-on teaching methods to further our students` educational journey both in and outside the classroom. Students use ipads, MacBooks, laptops and chromebooks in the STEAM labs and classrooms to accomplish curricula goals and become respectful, knowledgeable digital citizens.
  • Our STEAM lab is a student-centered environment dedicated to a deeper understanding of real-world concepts and their relationship to each other. The STEAM concept explores Science and Technology, through Engineering and the Arts, all based in Mathematical elements. This hands-on, inquiry approach encourages our K - 8th grade students to investigate and solve real-world problems by incorporating language, fine arts, and music in addition to traditional STEM curriculum.
  • Student Support at SJ23 means we support students` individual learning needs and help them reach their highest potential by providing one-on-one and small-group student enrichment. In grades five to eight we have regularly scheduled FLEX time for intervention, project time, reteaching, acceleration, and enrichment. We nurture our students` emotional and social growth weekly through individual or group counseling opportunities that focus on relationships, adolescent challenges, healthy minds and bodies, as well as other topics that promote positive social and emotional growth.
  • Service, Discipleship, & Communityis what we are about. All students in K - 8th grade participate in weekly Mass or prayer services and numerous service projects throughout the year. At the Upper Campus, students also participate in retreats, work in the the St. Peter`s Food Pantry, serve at St. Ben`s, and serve in many other areas of our local and global communities.Middle-school students are required to fulfill a fixed number of service hours each year. 
Show me:
Show me:
  • School Location Miles Grades Students
  • Port Washington
    St. Johns Lutheran Academy
    (Lutheran Church Missouri Synod)
    Grades: PK-8 | 65 students
    2 miles
    217 N Freeman Drive
    Port Washington, WI 53074
    2 PK-8
  • Antigo
    Grades: PK-8 | 234 students
    135.1 miles
    419 6th Ave
    Antigo, WI 54409
    135.1 PK-8
  • Antigo
    Peace Lutheran School & Childcare
    (Lutheran Church Missouri Synod)
    Grades: NS-8 | 102 students
    135.2 miles
    300 Lincoln St
    Antigo, WI 54409
    135.2 NS-8
  • Appleton
    Celebration Lutheran School
    (Lutheran Church Missouri Synod)
    Grades: PK-8 | 72 students
    66.2 miles
    3100 E Evergreen Dr
    Appleton, WI 54913
    66.2 PK-8
  • Appleton
    Holy Spirit School
    (Roman Catholic)
    Grades: PK-8 | 273 students
    62 miles
    W2796 County Road Kk
    Appleton, WI 54915
    62 PK-8

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Did You Know?
The average private school tuition in Wisconsin is $3,306 for elementary schools and $8,327 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Wisconsin is 94% (read more about average acceptance rates across the country).