ESL Classes for Adults Tuesdays & Thursdays, 10:30 a.m.-1 p.m. Registration Required | Library's Crawford Meeting Room Free English as a Second Language classes for adults are offered at the Lewisville Public Library. These classes are provided by Denton ISD Adult Education & Literacy, and funded by the Texas Workforce Commission. Registration is required. Call Denton ISD at 972.350.3481 to register.