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OUR SCHOOL
St. John XXIII Catholic School (SJ23) provides a foundation of Catholic values and academic excellence for its students in preschool through 8th grade. Our faculty and staff are dedicated to building a strong academic, social, emotional, and spiritual foundation for our students.
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“I am beyond grateful for what St. John XXIII and the entire staff has done for my family. My kids would not be in the places they are if it weren’t for the dedication and love of the teachers and staff. THANK YOU ALL.”
– Current Parent
WE ARE EXCITED TO MEET YOUR FAMILY
Choosing the right educational option for your child is one of the most important decisions you will make. It’s important that your child’s school is an educational partner with like-minded values and goals, dedicated to helping your child reach his or her social, emotional, intellectual, physical, and spiritual potential. If you are interested in becoming part of our school community, we welcome you to contact us today!
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2026-2027 EXTRACURRICULAR CLUBS
Clubs meet from 3:30-4:30 PM and are held in two sessions:
Dance Club
Piano Club
Coloring & Paint-By-Number
Magic School (AI & Creativity) Club
Construction (LEGO) Club
Early Childhood Building Club
Introduction to 3D Printing
Wild Card Club
Board Games
Sign Language
Sole Mates | Walking Club
Why St. John XXIII Catholic School?
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The palms are calling—and early bird pricing ends SOON!
Gather your friends and grab your tickets for SJ23’s 27th Annual Key Event: Havana Nights on Saturday, March 13, 2027, at Edison Hall! Enjoy delicious food, signature cocktails, live music, exciting auctions, and games—plus a custom Read morefedora hat bar and a cigar bar featuring live, on-site cigar rolling! It’s a memorable night out, all while supporting our students and school.
Make it a date night or a night out with your favorite SJ23 families! Purchase your tickets now to take advantage of early bird pricing before it’s gone.
https://keyevent2027.cbo.io/
A special day of remembering, honoring, and celebrating the loved ones who will always hold a place in our hearts. Mrs. Sereno beautifully decorated the back of our church for Día de los Muertos (Day of the Dead), creating a colorful and meaningful space to honor those who have passed away.
Read moreToday, our students brought in special treats and items that reminded them of their loved ones, sharing little pieces of the memories that mean so much to them. We also gathered to watch Coco, which beautifully reminds us of the importance of family, memories, and keeping those we love close in our hearts. A beautiful opportunity to celebrate traditions, learn about another culture, and remember that the people we love are never forgotten. A special thank you to Mrs. Sereno for bringing this meaningful tradition to life for our students. ♥️
Today we celebrated All Saints’ Day with a special Mass. Our 4th graders have been working so hard researching their chosen saints, preparing their presentations and speeches, and dressing up to bring each saint’s story to life. This is a tradition we have proudly carried on for many years at Read moreour school, and it’s always so special to see our students embrace it. We are incredibly proud of the time and effort they put into sharing what they learned. What a beautiful way to honor the saints and celebrate our faith. A special thank you to all the parents and loved ones who joined us for their Wax Museum. Your support and presence made the day even more meaningful.
Sponsor Spotlight: A heartfelt thank you to Port Washington State Bank for sponsoring our 2027 Key Event. Their generosity helps make this special evening possible while supporting the learning and opportunities that help our students thrive. We are grateful for their investment in our school Read morecommunity! Please join us in thanking them—and show them some love by visiting their page! @portwashingtonstatebank
Our beautiful courtyard ♥️