Inspiring in everyone a passion to excel
Inspiring in everyone a passion to excel

Whittier Elementary School

218 West Park Avenue, Wheaton, IL 60189

P: 630.682.2185 F: 630.682.2409

Ms. Cassi

Phone: 630-682-2474


Degrees and Certifications:

BS Elementary Education- NIU, Masters Early Childhood w/Special Education Endorsement- Dominican, ESL Endorsement and Masters in Administration- Aurora University

Ms. Cassi

 My name is Cassi Williston.  I have been teaching for the past 29 years.  The last 13 years I have been in District 200 in the Early Childhood Deparatment.  My husband and I are both Wheaton North graduates. Both our daughters also gradutated from Wheaton North.  Our oldest is attending Cheribum- a Developmenatal Day Program for adults with disabilities and our youngest is a Freshman at Carroll University. 
I enjoy reading, kayaking, photography and spending time with my family and friends.
Speech and Language Pathologist- Colleen Wehrli  and Barb LaRowe (maternity leave)
Occupational Theripist- KathiWieringa. April Pruin and Colleen O'Brien
Physical Theriapist-  Nicole Sauer
Vision Iternerate- Samantha Beck
Teacher Assistants- 
Cheryl Hochmuth
Donna Piemonte