One Heart Early Learning Center is listed as a child care center in Jacksonville, Florida. The center appears on the Early Learning Coalition of Duval’s Guiding Stars of Duval provider list with a rating of 4 out of 5 stars. The source lists the address as 4151 Old Middleburg Road, Jacksonville, Florida 32210 and the phone number as 904-771-9599. Families should contact the provider directly to confirm current programs, ages served, hours, availability, pricing, and other details before making a decision. Source: ELC Duval, Guiding Stars of Duval provider list, current as of August 16, 2026.