The handsome building, suggestive of southwestern architecture, contains 34,000 items, including books, videos, CD's, periodicals, and pamphlets. Its annual circulation exceeds 43,430. The library's catalog is online, making it possible for patrons to locate titles available at Seneca as well as within the 180-member Heritage Trail Library System. Several excellent school systems serve the communities of the Illinois River Area. In addition, parents can elect to send their youngsters to parochial systems.
Preschools are also available in the area.
Seneca Community Consolidated School District 170 and Seneca Township High School District 160 serve the educational needs of Seneca's youngsters from kindergarten through 12th grade. Others attend either Rutland Consolidated School District 230 or Miller Township Community Consolidated School District 210. All educational systems place strong emphasis on the basics of language arts and mathematics. After eighth grade, Marseilles students complete their secondary education at Ottawa High School. Ottawa High School is comprised of three adjacent three-story buildings, which together contain about 250,000 square feet of space.