Early Childhood Program
St. John XXIII Catholic School’s Early Childhood Program is dedicated to providing a safe, welcoming, and nurturing environment for 3, 4, and 5-year-olds and their families. With nearly 20 years of experience, our program is rooted in the belief that every child deserves the best start to their educational journey. We foster a setting where children feel secure, supported, and valued, allowing them to thrive both academically and personally.
The heart of our program lies in the nurturing staff who are passionate about each child’s growth and development. Our team is not only highly trained but also deeply committed to creating a space where children feel cared for and encouraged to explore their world. By building strong, trusting relationships, our educators guide children through their developmental milestones, ensuring they feel confident and loved as they grow.
Our Early Childhood Program is guided by the Wisconsin Model Early Learning Standards, which ensure that our curriculum is age-appropriate and developmentally responsive. The program is intentionally designed to engage children’s natural curiosity, offering rich play-based learning experiences that promote exploration and discovery. From fantasy play and role-based activities to hands-on construction and sensory experiences, children are given the opportunity to learn through doing—building flexibility, critical thinking skills, and a strong foundation in social interactions. Through these varied play experiences, children develop core social skills such as negotiation, collaboration, and empathy, all of which are essential for success in school and beyond. By working and playing together, children learn how to navigate relationships, resolve conflicts, and celebrate differences—all within a safe and supportive environment that values their individuality.
At St. John XXIII, we understand that early childhood is a critical time for growth, and our program is designed to help children not only learn but to love learning. Through the care and dedication of our staff, we ensure that each child is prepared for the next steps in their educational journey, ready to embrace the challenges and joys of school life.
Our program features:
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A greenhouse for hands-on learning and exploration of nature
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Two outdoor classrooms, offering an extension of the learning environment in a natural setting
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A safe playground designed for active play and development
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Top-of-the-line security, ensuring the safety and well-being of every child throughout the day.
Please Click Here to review the Wisconsin Model – Early Learning Standards.
Our Passion | Their Future
PRE-3 PROGRAM
St. John XXIII Catholic School’s Preschool Program (Pre-3) is specifically designed to provide an environment that seamlessly transitions your child from one developmental level to the next. The structured curriculum motivates and inspires children to learn, and the nurturing, family-centered environment gives our students the individual attention needed to instill self-confidence, social skills, and a feeling of security.
We offer a place where your child will be nurtured & where the values you teach at home will be reinforced.

Program Structure
- Licensed Early Childhood Teacher; plus full-time Educational Assistant
- Supplemental Curriculum: Physical Education, Music, Library, Art, and Spanish
- Wrap-Around Care: Available to SJ23 students in Pre-3 – 6th Grade
- Schedule:
- AM (Half-Day): 8:20-11:20 AM
- 3 Days (Tuesday, Wednesday, Thursday)
- 3 Days (Monday, Wednesday, Friday)
- 4 Days (Flexible Schedule)
- 5 Days (Monday-Friday)
- Full-Day: 8:20-3:30 PM
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- 3 Days (Tuesday, Wednesday, Thursday)
- 3 Days (Monday, Wednesday, Friday)
- 4 Days (Flexible Schedule)
- 5 Days (Monday-Friday)
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- AM (Half-Day): 8:20-11:20 AM
*This class is limited to 20 children per day
Home Away From Home
K4 PROGRAM
St. John XXIII Catholic School’s K4 Program builds on the basic skills learned at the preschool level. We incorporate developmentally appropriate activities that provide early learning experiences and skills that prepare your child for future success in school. By developing strong social skills and emotional security, a love of learning is encouraged and expanded.
The K4 Program further expands and enriches its curriculum by incorporating field trips and hands-on learning that complement current areas of exploration, as well as blends lifestyle skills with supplemental instruction. This results in a well-balanced program that prepares children for the Kindergarten level.

Program Structure
- Licensed Early Childhood Teacher; plus full-time Educational Assistant
- Five Day Program (Monday-Friday)
- AM (Half Day): 8:20-11:20 AM
- Full-Day Enrichment Program with SNAP integration: 8:20-3:30 PM
- Student Support: Social Emotional Coach on staff to provide character lessons twice a month exploring traits such as responsibility, kindness, courage, etc., as well as individual counseling services
- Supplemental Curriculum: Physical Education, Music, Library, Art and Spanish
- Mass: Students attend once per month
- Buddy Opportunities: Students will have “buddy opportunities” (readings, projects, etc.) with older students
- Wrap-Around Care: Available to SJ23 students in grades Pre-3-6th Grade
Wisconsin Parental Choice Program (WPCP) is a statewide private school voucher program, and allows students whose families meet certain income qualifications the ability to attend a participating private or religious school of their choice – tuition free. The open application period for the 2023-24 school year is February 1 – April 20, 2023. To set up a meeting with our principal to see if you qualify, please do so by emailing kklein@stjohn23rd.school or by calling 262-284-2682.
Creating Lifelong Learners
KINDERGARTEN
St. John XXIII Catholic School’s Kindergarten Program (K5) is the last step of a three-level program. It expands upon the K4 curriculum and nurtures skills needed to be successful in school. Our K5 program builds on previously learned skills and gradually prepares children for their elementary years. K5 blends academic readiness with creative exploration. We incorporate core academics, such as reading, math, science, and social studies with supplemental curriculum. We combine technology with traditional learning that helps your child to build a strong foundation to become a confident, lifelong learner and successful citizen in his or her community.

Program Structure
- Early Childhood Teacher; plus full-time Educational Assistant
- Core Academics: Reading, Writing, Religion, Science, Math, and Spanish
- Supplemental Curriculum: Physical Education, Music, Library, and Art
- Student Support: Social Emotional Coach on staff to provide character lessons twice a month exploring traits such as responsibility, kindness, courage, etc., as well as individual counseling services
- SMART Board and iPad technology instruction blended with traditional and hands-on learning
- Uniforms Required