Allen County is home to several public and private elementary, secondary schools as well as a vocational school.  Nine public school districts in local jurisdictions scattered across Allen County are affiliated with the Allen County Educational Service Center,  which provides collaborative educational services to those districts.  A map depicting the boundaries of the Allen County school districts is available here.  Included among those schools is a vocational school, Apollo Career Center, serving both secondary and adult students. While,  Lima City Schools are home to nearly 4,200 students in four elementary schools, two middle schools, and two magnet schools as well as Lima Senior High School.

Post-secondary schools located in Allen County and the surrounding counties, include: