515 East Merle Street
Wheeling, Illinois 60090

Phone: 847-520-2785



CCSD21 a school is comprised of 13 schools across 6 different communities in Illinois.


Community Consolidated School District 21 serves nearly 7,000 students in 13 schools across 6 communities in the northwest suburbs of Chicago. Twain Elementary School serves students through 5th grade. School starts at 9:00 AM and ends at 3:30 PM daily.

Third Grade

Educational research shows that students perform at their highest levels and exhibit the most growth when teachers collaborate. As a result, teams of teachers are the foundational structure of School District 21. Core academic teams provide students with instruction in the Learner Qualities and the core academic areas: Language Arts, Reading, Mathematics, Science, and Social Studies.

Third Grade Team

Marisol Carlos

Lynette Venegas

Amanda Gratz

Rachael Palucci – STC

Lauren Curran – STC


Recent Updates

Congratulations to Mrs. Nelson's class for winning the Pasta for Pennies fundraiser competition.  Our class raised $306 for the Leukemia and Lymphoma Society!!  Our Olive Garden lunch celebration will be...