
These commandments that I give you today are to be on your hearts. Impress them on your children.
Talk about them when you sit at home and when you walk along the road, when you lie down and when you get up.
Classrooms

Mrs. Linda Maas
Early Education 3K-4K
Linda was born and raised in Toledo, Ohio. Upon high school graduation, she attended Dr. Martin Luther College in New Ulm, MN, from which she graduated in 1976 with a Bachelor of Science Degree in Elementary Education. Her teaching experience includes…
1976-1977 Grades K-3 Teacher @ St. Paul’s, Riverside, CA
1977-1979 Grades 1-3 Teacher @ Our Savior, Pomona, CA
1979-1989 Before/After School Care for Our Savior
1989-1992 Grades K-8 Substitute Teacher for several Milwaukee WELS Schools
1992-1995 Kindergarten Teacher @ Centennial Lutheran School, Milwaukee
1996-2003 Grades K-3 Teacher @ Zum Kripplein Christi, Iron Ridge, WI
2003-2009 Grades 3-4 Teacher @ St. Matthew’s, Iron Ridge, WI
2009-2010 Grades K-8 Substitute Teacher for several area WELS Schools
2010-2016 Grade 2 Part-Time Teacher @ St. Lucas, Kewaskum, WI
2016-Present 3K/4K Preschool Part-Time Teacher @ St. Lucas, Kewaskum, WI
Linda has always loved children and so enjoys working with Jesus’ little lambs and sharing His love! She is married to Michael Maas who is also a WELS teacher. They have 2 adult children, 4 grandchildren, and enjoy boating and camping during the summer months.
Contact Information
Phone: 262-626-2680 x23
Email: lmaas@stlucaswels.org

Mrs. Patti Derge
Grades 1-2
Bachelor of Science, Elementary Education, Dr. Martin Luther College
Contact Information
Phone: 262-626-2680 x19
Email: pderge@stlucaswels.org

Mrs. Karen Yttri
Grades 3-4
Technology Director
Graduated from University Wisconsin Milwaukee in 2002
(Earned WI State teaching license)
Earned Synod Certification through Martin Luther College by 2004
Currently taking graduate courses through Martin Luther College
Karen became a teacher "to see the light bulb come on" when students finally understand a concept. She feels truly blessed to have received a call after graduating from a public university. Sharing the Gospel message with Jesus Little Lambs makes teaching the best 'job' in the whole world.
Karen is happily married to her wonderful, loving husband Michael. They have 3 energetic boys: Micah is 12 years old, Malachi is 9, and Matthias is 7. The family enjoys playing games together and going camping in the summer.
Contact Information
Phone: 262-626-2680 x12
Email: kyttri@stlucaswels.org

Mrs. Jennifer Trimmer
Grades 5-6
Masters of Education in special education, University of Virginia 2008.
Bachelor of Science in Elementary Education, Martin Luther College New Ulm, MN 2004.
State License: Ohio (currently working on transferring it to Wisconsin)
2018-2019: 5 & 6 at St. Lucas, Kewaskum, WI.
2016-2018: Kindergarten at St. Paul’s, Columbus, OH.
2011-2016: Grades 1-5 at Columbus City Schools, Columbus, OH.
2004-2011: Kindergarten, Resource teacher, & coach at Grace Lutheran, Falls Church, VA.
Contact Information
Phone: 262-626-2680 x13
Email: jtrimmer@stlucaswels.org

Mr. Mark Hesse
Principal
7th & 8th Grade
2016-Present: 2nd, 7th, & 8th-grade Math and Language Arts Teacher at St. Lucas, Kewaskum, WI
2015-16: 6-8th-grade Math Teacher at Atonement, Milwaukee, WI
2013-15: Child Care Director, Youth Center Director, and Stay-at-home Dad at St. Paul's, Fort Atkinson, WI
2012-13: 6-8th-grade Language Arts Teacher at St. Mark's, Watertown, WI
Bachelor of Science in Elementary Education, Martin Luther College, New Ulm, MN 2011
Bachelor of Science in Secondary Education Communication Arts and Literature, Martin Luther College, New Ulm, MN 2011
Contact Information
Phone: 262-626-2680 x28
Email: mhesse@stlucaswels.org