Mark Twain serves more than 350 K-6th graders living in Niles and unincorporated Des Plaines. One of East Maine District 63's seven schools, it supports academic, social, emotional, and physical growth. Twain students attend D63's Gemini Junior High and then Maine East High School. At Twain, we celebrate diversity and focus on the whole child. Our educators care deeply about helping students succeed; we provide rigorous, differentiated instruction based on the Common Core State Standards.