St. Lawrence Seminary High School

  • Founded: 1860
  • Address: 301 Church Street Mt. Calvary - Wisconsin, United States (Map)
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St. Lawrence prepares your son for college and beyond. Our students know more than just how to pass a standardized test - our college preparatory courses ensure that our students truly understand what they’re learning and how it applies to the real world.

Inspired by the Gospel of Jesus Christ and the example of St. Francis of Assisi, St. Lawrence Seminary provides a residential college preparatory education in a living Catholic community nurturing mature, well-rounded men of faith, who prepare for a life of ministry as priests, religious and lay leaders in the Church and world.

  • Spirituality: Fostering a relationship with Jesus that directs a lifetime
  • Social Skills: Interacting in an effective, positive and respectful manner
  • Knowledge: Pursuing academic, moral and spiritual depth
  • Diversity: Building fraternity and community by respecting and celebrating uniqueness
  • Humble Commitment: Serving by sacrificing for others
  • Safe Community: Providing the physical and emotional freedom that assists learning, growing and exploring

St. Lawrence Seminary High School follows a seven period class day, with two additional study hall periods. The periods are forty-five minutes in length. The overall academic curriculum of St. Lawrence reflects a strong bias toward college preparation. We have a 7:1 student to teacher ratio, 15-18 student average class size and 100% graduation rate.

St Lawrence Seminary High School partners with Marian University of Fond du Lac, Wisconsin, to offer students the opportunity to earn college credit while taking courses at St Lawrence. The courses are taken on campus and are taught by St. Lawrence instructors. Students can earn up to 20 college credits. To be eligible for this program, the student must have a GPA of 3.20 or higher and be a junior or senior. St. Lawrence Seminary does not charge any extra fees for participation in the dual credit program. However, students do pay an additional charge directly to Marian University which includes a discounted fee per credit hour.

Students have some required reading assignments over the summer and Christmas breaks. Drivers’ Education is a non-credit course for juniors and seniors. It offers classroom instruction on Sunday nights and behind-the-wheel experience.

Juniors begin the college application process by taking either the ACT and/or SAT tests. About 90% of SLS students take the ACT, achieving an average composite score of 23.2, higher than the State of Wisconsin (20.3) and national averages (20.9), and compares well with other similar private schools in Wisconsin. Additionally, SLS students have an average ACT STEM score of 23.5, compared to the State of Wisconsin (20.3) and national averages (20.7).

Our students are engaged in college prep curriculum that includes a variety of subjects ranging from religion, music and foreign language to mathematics, history and computer science. The academic program is challenging but students find their instructors are available for additional assistance when needed.

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Community Reviews (2)

The boarding program in Wisconsin has truly transformed my child's learning experience, with dedicated staff guiding each student towards remarkable progress.
By Carter Mitchell (Mar, 2024) |

St. Lawrence Seminary High School in Wisconsin has exceeded our expectations with the quality of education they provide. The dedicated staff members are always available to assist and support the students' progress. My child has made tremendous improvements since joining the boarding program. We are extremely satisfied with our experience at St. Lawrence Seminary High School.
By Samuel (Sep, 2023) |