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Rooted in Faith, Leading with Purpose
At Messmer Catholic High School, students grow to become ethical leaders, courageous thinkers, and compassionate change makers.
Discover Messmer
College credit, career experience, and real-world learning backed by a community that lifts one another up.
![Leave Ready for Success]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1763154206/messmer/nskljfyrgymimuhcgri0/Messmer_20251016_00207.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1763154206/messmer/nskljfyrgymimuhcgri0/Messmer_20251016_00207.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1763154206/messmer/nskljfyrgymimuhcgri0/Messmer_20251016_00207.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1763154206/messmer/nskljfyrgymimuhcgri0/Messmer_20251016_00207.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1763154206/messmer/nskljfyrgymimuhcgri0/Messmer_20251016_00207.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1763154206/messmer/nskljfyrgymimuhcgri0/Messmer_20251016_00207.jpg","width":2200}])
Messmer's Leave Ready framework builds skills, confidence, and real-world success pathways
![Innovative WinterM Program]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1760361107/messmer/paff4gokmqwrdycecxgb/Focusedcraftsmanship.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1760361107/messmer/paff4gokmqwrdycecxgb/Focusedcraftsmanship.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1760361107/messmer/paff4gokmqwrdycecxgb/Focusedcraftsmanship.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1760361107/messmer/paff4gokmqwrdycecxgb/Focusedcraftsmanship.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1760361107/messmer/paff4gokmqwrdycecxgb/Focusedcraftsmanship.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1760361107/messmer/paff4gokmqwrdycecxgb/Focusedcraftsmanship.jpg","width":2200}])
Our unique WinterM term is a fresh way to learn, grow, and plan your future
![Dual Enrollment and Honors: Excellence in Action]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1759762433/messmer/oinex2zt1fbirwcb9h5e/1MessmerNationalHonorSocietyMembers.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1759762433/messmer/oinex2zt1fbirwcb9h5e/1MessmerNationalHonorSocietyMembers.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1759762433/messmer/oinex2zt1fbirwcb9h5e/1MessmerNationalHonorSocietyMembers.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1759762433/messmer/oinex2zt1fbirwcb9h5e/1MessmerNationalHonorSocietyMembers.jpg","width":833}])
Earn college credit and explore future pathways while still in high school
![You Belong Here]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1758919645/messmer/eoq3kprfuvgtd3hwauqj/YouBelong_800x779.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1758919645/messmer/eoq3kprfuvgtd3hwauqj/YouBelong_800x779.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1758919645/messmer/eoq3kprfuvgtd3hwauqj/YouBelong_800x779.jpg","width":624}])
Our welcoming, supportive community celebrates each person’s uniqueness
![Faith in Action]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1763154366/messmer/xbijjh0mohggn51k5ejh/Messmer_20251016_00381.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1763154366/messmer/xbijjh0mohggn51k5ejh/Messmer_20251016_00381.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1763154366/messmer/xbijjh0mohggn51k5ejh/Messmer_20251016_00381.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1763154366/messmer/xbijjh0mohggn51k5ejh/Messmer_20251016_00381.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1763154366/messmer/xbijjh0mohggn51k5ejh/Messmer_20251016_00381.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1763154366/messmer/xbijjh0mohggn51k5ejh/Messmer_20251016_00381.jpg","width":2200}])
Messmer students excel as ethical, faith-filled leaders who build just and peaceful communities
![Get Involved, Get Connected]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1759761705/messmer/fuhnbi0hrhloq7nihbix/Boyrunning.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1759761705/messmer/fuhnbi0hrhloq7nihbix/Boyrunning.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1759761705/messmer/fuhnbi0hrhloq7nihbix/Boyrunning.jpg","width":773}])
Wherever you shine, there’s a place for you at Messmer
From Our Community
![Logan, 12th Grade Student]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1760362647/messmer/qbwqfrcj9v9nvj49sdfz/Logan.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1760362647/messmer/qbwqfrcj9v9nvj49sdfz/Logan.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1760362647/messmer/qbwqfrcj9v9nvj49sdfz/Logan.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1760362647/messmer/qbwqfrcj9v9nvj49sdfz/Logan.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1760362647/messmer/qbwqfrcj9v9nvj49sdfz/Logan.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1760362647/messmer/qbwqfrcj9v9nvj49sdfz/Logan.jpg","width":2200}])
“College is a big investment. At Messmer, I can get college credit now through Dual Enrollment opportunities and start early to achieve my career goals.”
![Kamari, 11th Grade Student]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1760362442/messmer/n0emip6l8jnvthml4g6n/Kamari.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1760362442/messmer/n0emip6l8jnvthml4g6n/Kamari.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1760362442/messmer/n0emip6l8jnvthml4g6n/Kamari.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1760362442/messmer/n0emip6l8jnvthml4g6n/Kamari.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1760362442/messmer/n0emip6l8jnvthml4g6n/Kamari.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1760362442/messmer/n0emip6l8jnvthml4g6n/Kamari.jpg","width":2200}])
"At Messmer, teachers work just as hard as the students. Everyone here has helped me switch to a mindset of success. They don’t give up on us."
![Taijah, National Honor Society President]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1759763638/messmer/y9epocduljvikssmckpa/TaijahNHS.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1759763638/messmer/y9epocduljvikssmckpa/TaijahNHS.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1759763638/messmer/y9epocduljvikssmckpa/TaijahNHS.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1759763638/messmer/y9epocduljvikssmckpa/TaijahNHS.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1759763638/messmer/y9epocduljvikssmckpa/TaijahNHS.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1759763638/messmer/y9epocduljvikssmckpa/TaijahNHS.jpg","width":2200}])
"One aspect I truly value about being a member of NHS is the opportunity to foster a strong sense of community with my peers. Through this organization, I have built meaningful relationships with students who share similar goals and interests."
By the Numbers
$1.9M
Scholarships awared to Class of '25
100
Years of faith, service, and impact
94%
Average daily attendance
4
All-In Milwaukee Scholarships Awarded in 2025
1:1
Connected campus
1,000+
Direct College Admits - Class of 2026
100%
Students leave with a tangible plan in place for their next step
40+
Clubs, sports, and after school programs
News & Events
![A Warm Welcome: Student Ambassadors Define the Messmer Experience]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1765301393/messmer/uuujq8zknw4khxxqlike/3Ambassadorscrop.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1765301393/messmer/uuujq8zknw4khxxqlike/3Ambassadorscrop.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1765301393/messmer/uuujq8zknw4khxxqlike/3Ambassadorscrop.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1765301393/messmer/uuujq8zknw4khxxqlike/3Ambassadorscrop.jpg","width":1004}])
At Messmer, the spirit of community and support shines brightly, especially through the work of Messmer’s Student Ambassadors. Our ambassadors are often the first friendly faces future students encounter.
Hear why Ra'Nayszia, Jocelyn, and Bry'Shawn enjoy welcoming future students, and the advice they give to new students.
![Picture Yourself at Messmer]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1763742520/messmer/m2wn1mltqrtgfg8fw6nj/Messmer_20251016_00476.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1763742520/messmer/m2wn1mltqrtgfg8fw6nj/Messmer_20251016_00476.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1763742520/messmer/m2wn1mltqrtgfg8fw6nj/Messmer_20251016_00476.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1763742520/messmer/m2wn1mltqrtgfg8fw6nj/Messmer_20251016_00476.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1763742520/messmer/m2wn1mltqrtgfg8fw6nj/Messmer_20251016_00476.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1763742520/messmer/m2wn1mltqrtgfg8fw6nj/Messmer_20251016_00476.jpg","width":2200}])
See your student's future come into focus at Messmer High School. We are now accepting applications for the Class of 2030.
![Teaching and Giving Back: Vanessa Sowinski’s Messmer Journey]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1763155894/iaf0mlxdo7j2zinmtq8w/SowinskiwithVBteam_1.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1763155894/iaf0mlxdo7j2zinmtq8w/SowinskiwithVBteam_1.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1763155894/iaf0mlxdo7j2zinmtq8w/SowinskiwithVBteam_1.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1763155894/iaf0mlxdo7j2zinmtq8w/SowinskiwithVBteam_1.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1763155894/iaf0mlxdo7j2zinmtq8w/SowinskiwithVBteam_1.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto/v1763155894/iaf0mlxdo7j2zinmtq8w/SowinskiwithVBteam_1.jpg","width":1781}])
“Messmer’s mission keeps me coming back. It’s my purpose,” says Dr. Vanessa Sowinski, Academic Dean and Math Educator.
![Messmer Opens Centennial Year with a Mass of Thanksgiving]([{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_1/v1761941751/messmer/g8chgzgg2dp3yuo2x17d/CK9A4377.jpg","width":256},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_2/v1761941751/messmer/g8chgzgg2dp3yuo2x17d/CK9A4377.jpg","width":512},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_3/v1761941751/messmer/g8chgzgg2dp3yuo2x17d/CK9A4377.jpg","width":800},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_4/v1761941751/messmer/g8chgzgg2dp3yuo2x17d/CK9A4377.jpg","width":1200},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_5/v1761941751/messmer/g8chgzgg2dp3yuo2x17d/CK9A4377.jpg","width":1600},{"url":"https://resources.finalsite.net/images/f_auto,q_auto,t_image_size_6/v1761941751/messmer/g8chgzgg2dp3yuo2x17d/CK9A4377.jpg","width":2200}])
Messmer High School opened its centennial year with a jubilant Mass of Thanksgiving at the Cathedral of St. John the Evangelist on September 18, 2025.
News & Events Container
Latest News
Future health professionals in the making! Messmer students who participate in the Youth Health Service Corps recently explored professional pathways in oral health care at MATC with hands-on activities and opportunities for networking with students and professionals.
"I loved every minute of it," said one student participant.
Students with a strong interest in pursuing a profession in the trades recently had the opportunity to network with working professionals.
This year, NHS welcomed nine new members, joining 11 returning students.