Illinois Elementary School Association
IESA Schools
Naperville Jefferson
Jefferson Junior High
1525 N. Loomis St.
Naperville, IL 60563
www.naperville203.org/jefferson
Phone (630) 420-6363
Fax (630) 420-6930
Superintendent Dr. Mark Mitrovich
Principal Ms. Nancy Voise
Athletic Director Mr. John Bilardello
IESA Contact Mrs. Jennifer Nekolny, Coach
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Nickname Patriots
Colors Red, White & Blue
7th-8th Grade Enrollment  
Grades 6-8
County DuPage
Board Division C
Involved in no cooperative teams