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Contact
The Infusion Project
Give To Unity
Expanding Our Mission
Calendar
Contact
(616) 669-1820
About Us
About Us
Why Unity
Academic Achievements
Faith – The Infusion Project
Unity’s Trustees & Foundation Trustees
Academics
2024/25 Programs Guide
Academic Links
Support Services
Counseling
Careerline Tech Center
Educational Support Services
Co-Curricular Programs
Admissions
Visit
Tuition/Financial Aid/FACTS
International Students
Athletics
Parent Resources
Schedules & Calendars
Monthly Calendar
Academic Calendar
Tech Center Dates
Bell Schedule
Emergency Drill Schedule
Bulletins & Publications
The Tidings
Home Bulletin
Our Constitution
Student Bulletin
— Monday
— Tuesday
— Wednesday
— Thursday
— Friday
Handbook, Forms & Policies
Student Handbook
Dance Guest Approval
Planned Absence Form
Portals
Middle School Musical Camp
Student Food Services/Meal Magic
FACTS Family Portal
Conference Sign Up
Connect
Our Staff
Revive
Employment Opportunities
Give To Unity
Alumni
Contact
Our Staff
Administrators
Jerry DeGroot
Principal/CEO
jdegroot@shadetreesolutions.net
Jeff Engbers
Athletic Director
jengbers@shadetreesolutions.net
Dan Landstra
Director for Spiritual Leadership, Bible
dlandstra@shadetreesolutions.net
Bill Postma
Director of Instruction
bpostma@shadetreesolutions.net
Scott Soodsma
Dean of Students/Attendance
ssoodsma@shadetreesolutions.net
Doug VanderPloeg
Director of Transportation, Facilities Director
dvanderploeg@shadetreesolutions.net
Development
Troy Billin
Director of Development
tbillin@shadetreesolutions.net
Kayla Bosma
Communications Specialist
kbosma@shadetreesolutions.net
Ken Koppenol
Financial Assistant
kkoppenol@shadetreesolutions.net
Deb Wieringa
Administrative Assistant
dwieringa@shadetreesolutions.net
Support Staff
April Arends
Food Court
aarends@shadetreesolutions.net
Jeannie Berger
Finance Manager
jberger@shadetreesolutions.net
Krista Bosscher
Executive Administrative Assistant
unity@shadetreesolutions.net
Sandy Bussis
Tuition Clerk
sbussis@shadetreesolutions.net
Jennifer Byker
Receptionist/Student Services
jbyker@shadetreesolutions.net
Michelle DeGroot
Athletic Administrative Assistant
athletics@shadetreesolutions.net
Lori Rotman
Food Court
lrotman@shadetreesolutions.net
Dawn VanDyken
Finance Assistant
dvandyken@shadetreesolutions.net
Tom VanHouten
Custodian
tvanhouten@shadetreesolutions.net
Jerry Victory
Head Custodian
jvictory@shadetreesolutions.net
Mary Westmaas
Accompanist for the Choirs
Faculty
Joe Baillargeon
Social Studies
jbaillargeon@shadetreesolutions.net
Jill Bakker
Physical Education
jbakker@shadetreesolutions.net
Matt Bakker
Social Studies, Home Maintenance, Associate Athletic Director
mbakker@shadetreesolutions.net
Ian Billin
Bible, Math
ibillin@shadetreesolutions.net
Tim Blamer
Bible
tblamer@shadetreesolutions.net
Mark Bonner
Social Studies
mbonner@shadetreesolutions.net
Rob Bosma
Science
rbosma@shadetreesolutions.net
Jim Brinks
Math
jbrinks@shadetreesolutions.net
Kim Brinks
Culinary Arts, Photojournalism
kbrinks@shadetreesolutions.net
Melissa Bronson
English
mbronson@shadetreesolutions.net
Loralee Bruxvoort
Spanish
lbruxvoort@shadetreesolutions.net
Kristin Dyk
Math, Student Council
kdyk@shadetreesolutions.net
Katie DeDoes
Language Arts
kdedoes@shadetreesolutions.net
Dave DeMey
Social Studies
ddemey@shadetreesolutions.net
Mady Doan
English
mdoan@shadetreesolutions.net
Jordyn Dykstra
Educational Support
jdykstra@shadetreesolutions.net
Ashton Foreman
Choir
aforeman@shadetreesolutions.net
Steve Gruppen
Industrial Arts
sgruppen@shadetreesolutions.net
Ryan Hoogerheide
Social Studies
rhoogerheide@shadetreesolutions.net
Sara Jager
Orchestra
sjager@shadetreesolutions.net
Brian Knot
Band
bknot@shadetreesolutions.net
Jen Koning
Science, Student Council
jkoning@shadetreesolutions.net
Maddie Koppenol
Math
mkoppenol@shadetreesolutions.net
Marissa Lewellyn
Social Studies
mlewellyn@shadetreesolutions.net
Bill Lutke
Educational Support
blutke@shadetreesolutions.net
Brian Mast
Science
bmast@shadetreesolutions.net
Libby Nelesen
Math, Student Council
lnelesen@shadetreesolutions.net
Jason Nikkel
English
jnikkel@shadetreesolutions.net
Angie Portenga
Science
aportenga@shadetreesolutions.net
Lauren Slager
English
lslager@shadetreesolutions.net
Mitch Sytsma
English
msytsma@shadetreesolutions.net
Julie Thrower
Art
jthrower@shadetreesolutions.net
Craig Tibbe
Physical Education
ctibbe@shadetreesolutions.net
Josh Tubergen
Science
jtubergen@shadetreesolutions.net
Sharon Veltema
Chapel Coordinator, Math
sveltema@shadetreesolutions.net
Dave Vruwink
CAD
dvruwink@shadetreesolutions.net
Sara Van Dyke
Spanish
svandyke@shadetreesolutions.net
Christina Welch
Math
cwelch@shadetreesolutions.net
Scott Wesseldyke
Spanish
swesseldyke@shadetreesolutions.net
Sara Westrate
Physical Education
swestrate@shadetreesolutions.net
Kristy Williamson
English
kwilliamson@shadetreesolutions.net
Counselors
Julie Essebaggers
Counselor: International Students & Middle School, Admissions
jessebaggers@shadetreesolutions.net
Randy Heethuis
Counselor
rheethuis@shadetreesolutions.net
Dan Sanders
Counselor: Tech Center
dsanders@shadetreesolutions.net
Paraprofessionals
Jill Cook
Paraprofessional
jcook@shadetreesolutions.net
Pam Heethuis
Paraprofessional
pheethuis@shadetreesolutions.net
Shelly Rylaarsdam
Paraprofessional
srylaarsdam@shadetreesolutions.net
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