12 Best Private Schools in Waukesha County, WI in 2025

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Source: Arthur Krijgsman

As a parent in Waukesha County, you want an advanced school that’s safe for your kids and nurtures them with the right values. You want a thriving learning culture with the highest academic standards.

So you wonder, are the school’s facilities cutting-edge or outdated? Is the curriculum tough enough to open doors down the line? Does the school uphold the right moral values like respect and faith?

All these questions and more are answered in this comprehensive list of the best private schools in Waukesha County. You’ll be able to choose your ideal picks based on factors like tuition, average class size, engaging activities, and state-wide rankings. Let’s dive in.

  1. Brookfield Academy

    waukesha-county-private-schools
    Source: Brookfield Academy

    Brookfield Academy’s reputation rests on its commitment to classical education and exceptional college prep. Regularly featured as one of Wisconsin’s top-tier private schools, it embodies a gold standard for academic achievement.

    • Location: 3462 N Brookfield Rd, Brookfield, WI 53045
    • Academics: Near-perfect college acceptance rates, with Advanced Placement (AP) courses sharpening academic rigor. 100% average graduation rate
    • Safety and Discipline: Enforces structured behavioral policies for a secure and focused learning environment
    • Diversity: Predominantly homogeneous but fostering inclusivity
    • Tuition: About $24,000 annually
    • Extracurriculars and Sports: 3-D modeling, debates, competitive athletic programs
    • Average Class Size: Around 14 students.
    • Rankings: 2nd best private high school in Wisconsin
    • Contact: (262) 783-3200
  2. University Lake School

    best-private-schools
    Source: University Lake School

    Nestled amidst natural beauty, University Lake School thrives on cultivating creativity and personalized education through its intimate, nature-centric approach.

    • Location: 4024 Nagawicka Road, Hartland, WI 53029
    • Academics: Project-based learning with an emphasis on real-world application
    • Safety and Culture: A close-knit community that safeguards student well-being
    • Tuition: About $24,000 annually
    • Diversity: Efforts include exchange programs and diversity clubs for students
    • Extracurriculars: Robotics, chess club, and diverse art ventures
    • Class Size: 10–15 students
    • Rankings: 7th best private high school in Wisconsin
    • Contact: (262) 263-8011
  3. St. John’s Northwestern Academies

    schools-waukesha-county
    Source: St. John’s Northwestern Academies

    This military-style academy uniquely melds academic excellence with leadership and character development, standing as a bastion of discipline and achievement.

    • Location: 101 Genesee Street, Delafield, WI 53018
    • Academics: Pioneering STEM programs and military leadership courses
    • Safety: Strict code of conduct. Most students agree the school is safe
    • Tuition: $45,000 for boarding; $21,000 for day students.
    • Diversity: High appreciation for diversity
    • Extracurriculars: Boy Scouts, skiing, and music bands
    • Class Size: Average of 10 students
    • Rankings: Best Christian high school in Wisconsin
    • Contact: (262) 646-7199
  4. Lake Country Lutheran High School

    private-schools-near-me
    Source: Lake Country Lutheran High School

    Where faith meets academic rigor, Lake Country Lutheran prepares students for higher education and moral leadership.

    • Location: 401 Campus Drive, Hartland, WI 53029
    • Academics: Blends challenging coursework with faith-based instruction
    • Safety and Culture: Respectful and nurturing, fostering a harmonious student body
    • Tuition: Roughly $15,000
    • Diversity: Predominantly Christian. Average appreciation for diversity
    • Extracurriculars: Choir, drama, and sports dominate the landscape
    • Class Size: Between 14–20 students
    • Rankings: 21st best Christian high school in Wisconsin
    • Location: (262) 367-8600
  5. Heritage Christian Schools

    private-schools-oconomowoc
    Source: Heritage Christian Schools

    Balancing Bible-centric teachings with high academic achievement, Heritage Christian nurtures spiritual and intellectual growth.

    • Location: 3500 S Glen Park Rd, New Berlin, WI 53151
    • Academics: Advanced Placement and honors programs provide robust academic paths
    • Safety: Bible-led values undergird a respectful and safe environment
    • Tuition: Affordable at $8,000–$12,000 annually
    • Diversity: Primarily Christian students with above-average appreciation for diversity
    • Extracurriculars: Music, drama productions, art club, and snowboarding
    • Class Size: Typically 12–20 students
    • Rankings: 14th best private K-12 school in Wisconsin
    • Contact: (262) 432-0333
  6. Trinity Academy

    best-high-schools
    Source: Trinity Academy

    Trinity Academy integrates classical education with Catholic values. The school has a nearly perfect college acceptance rate.

    • Location: Duplainville Rd, Pewaukee, WI 53072
    • Academics: With a foundation in liberal arts, the school offers Advanced Placement (AP) and honors courses, emphasizing critical thinking and academic excellence
    • Safety and Discipline: Guided by Christian morals, the school ensures a safe, disciplined, and respectful atmosphere
    • Tuition: $5,000
    • Diversity: Primarily Christian. Average acceptance of other backgrounds
    • Extracurriculars: Food club, drama, soccer, and basketball
    • Class Size: 2 – 5 students per class
    • Rankings: 11th best private K-12 school in Wisconsin
    • Contact: (262) 695-2933
  7. Catholic Memorial High School

    private-schools-brookfield
    Source: Catholic Memorial High School

    Known for its college-preparatory curriculum and stellar athletics, Catholic Memorial High School boasts a 100% average graduation rate.

    • Location: 601 E College Ave, Waukesha, WI 53186
    • Academics: Offers dual enrollment programs and a robust selection of college-prep courses
    • Safety and Culture: Highly secure and safe environment. Rooted in Catholic values, the school promotes a culture of mutual respect
    • Tuition: Approximately $15,000 annually
    • Diversity: Proactively works to broaden inclusion
    • Extracurriculars: Includes STEM clubs, athletics, and arts-focused opportunities
    • Class Size: Average of 11–16 students
    • Rankings: 7th best high school for athletes in Wisconsin
    • Contact: (262) 542-7101
  8. Prairie Hill Waldorf School

    best-high-schools-near-me
    Source: Prairie Hill Waldorf

    Prairie Hill Waldorf focuses on holistic education that nurtures intellectual and social-emotional development. The school prioritizes special programs for students with special needs.

    • Location: Silvernail Rd, Pewaukee, WI 53072
    • Academics: A unique approach combines experiential learning, core academics, and artistic exploration
    • Safety and Discipline: Encourages self-discipline and conflict resolution
    • Tuition: N/A. Certain families may qualify for free tuition
    • Diversity: Welcomes students from varied backgrounds
    • Extracurriculars: Offers woodworking and theatrical productions
    • Class Size: 12–14 students
    • Rankings: One of the lowest average acceptance rates in Wisconsin
    • Contact: (262) 646-7497
  9. St. Dominic Catholic School

    best-elementary-schools-near-me
    Source: St. Dominic Catholic School

    With over 400 students, St. Dominic combines a strong community ethos and Catholic faith with academic excellence.

    • Location: 18105 W Capitol Dr, Brookfield, WI 53045
    • Academics: A balanced curriculum that includes STEM and theological teachings
    • Safety: A family-oriented and Catholic atmosphere that encourages trust
    • Tuition: N/A
    • Diversity: Primarily Christian and white, with above-average acceptance of diversity
    • Extracurriculars: Predominantly sports, including basketball, tennis, and track and field
    • Class Size: Classes average 9-10 students
    • Rankings: One of the private schools with the largest student bodies in Wisconsin
    • Contact: (126) 278-3756
  10. St. Paul’s Lutheran School

    private-k12-schools-waukesha
    Source: St. Paul’s Lutheran School

    St. Paul’s delivers a robust faith-based education rooted in Christian morals, blending high academic standards with character-building initiatives.

    • Location: 210 E Pleasant St, Oconomowoc, WI 53066
    • Academics: Advanced placement opportunities and high average grades for students
    • Safety and Culture: A Christian moral framework underpins the school’s discipline policies
    • Tuition: $6,000
    • Diversity: Predominantly Christian and white
    • Extracurriculars: Science and art clubs, music, basketball, golf, and volleyball
    • Class Size: 12-18 students
    • Rankings: One of the oldest private schools in Wisconsin
    • Contact: (262) 567-5001
  11. St. Mary’s Visitation School

    private-k12-schools-oconomowoc
    Source: St. Mary’s Visitation School

    A Catholic institution lauded for its rigorous academics and close-knit community.

    • Location: 13000 Juneau Blvd, Elm Grove, WI 53122
    • Academics: A balanced curriculum incorporating humanities, faith-based learning and strong values of respect and responsibility
    • Safety and Values: Faith-driven guidance ensures a secure and supportive environment
    • Tuition: Around $3,000 annually
    • Diversity: Predominantly white but with a substantial multiracial presence
    • Extracurriculars: Features sports teams, drama clubs, and community service projects
    • Class Size: Average of 20 students
    • Rankings: One of the private schools with the largest student bodies in Wisconsin
    • Contact: (262) 782-7057
  12. Nature’s Classroom Institute & Montessori School

    best-k12-schools-brookfield
    Source: Nature’s Classroom Institute & Montessori School

    Nature’s Classroom Institute & Montessori School pioneers a progressive education model, crafting environments where independence and creativity flourish.

    • Location: W336 S8455 Hwy E, Mukwonago, WI 53149
    • Academics: The Montessori approach reigns supreme—hands-on, individualized, and rooted in nurturing curiosity
    • Safety: An ethos of mutual respect ensures emotional and physical security
    • Tuition: N/A
    • Diversity: Mostly white, but more inclusive than many private schools in the region
    • Extracurriculars: Gardening, art, and community engagement programs
    • Class Size: Average of 9 students per group
    • Rankings: One of the lowest average acceptance rates in Wisconsin
    • Contact: (262) 363-2815

FAQs

What are the top-ranked private schools in Waukesha County?

The top 3 private schools in Waukesha County, based on rankings and academic reputation, are Brookfield Academy, University Lake School, and St. John’s Northwestern Academies.

How many private schools are in Waukesha County?

There are at least 76 private schools in Waukesha County.

How much do private schools cost in Waukesha County?

The average cost for private schools in Waukesha County ranges from $8,000 to $18,000.

Are the private schools in Waukesha County good?

Most private schools in Waukesha County are Christian-affiliated with academic standards that are competitive at the national level. They are great choices for building strong moral values and a solid academic foundation for children.

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