San Joaquin County Office of Education | 4,844 followers on LinkedIn. Educate - Innovate - Inspire | San Joaquin County Office of Education provides educational leadership, resources, and services to support schools in Stockton, Lodi, Tracy, Manteca, Ripon, Linden, and the rest of the county. With its highly regarded programs, innovative staff, and community partnerships, SJCOE ensures that every student in San Joaquin County has the opportunity of a quality education.