The information on this page is intended for families with children from birth to 5 years of age and for Early Care and Education (ECE) Providers. SDCOE is currently accepting all paper applications via U.S. mail at 6401 Linda Vista Road, Room 104, San Diego, CA 92111.Please use please leave a comment or ask up questions 24 hours a day, 7 days a week. We will typically respond to these forms the next business day. Connect with one of our referral advisors to fill out a simple questionnaire. Submit a Paper Application. We are located in the beautifully sunny San Diego, CA. We're excited to show you how everything in our center is designed for learning. During the school year, our students will be taking educational and fun field trips to places in and around San Diego. We operate three (3) state subsidized full- day preschool centers in the southern area of San Diego County and an Alternative Payment Program throughout.