Ontario Primary School is located at 2302 Wade Ave, Ashtabula, OH 44004. The public school serves students in grades kindergarten through 3 within Ashtabula Area City Schools. Current enrollment includes approximately 219 students throughout the primary academic program. The campus maintains a reported student–teacher ratio of 17:1 during the current school year. Enrollment data shows a student population composed of roughly 56% male students and 44% female students. State testing shows approximately 62% of students meet math proficiency standards while nearly 42% achieve proficiency in reading assessments. The school functions as a district-operated early elementary campus and includes kindergarten readiness support, reading assistance programs, and student enrichment activities throughout the instructional year. Its attendance-based enrollment design creates a more localized learning environment than charter systems serving multiple nearby communities. Homes surrounding the campus commonly list near $118,000 throughout nearby Ashtabula residential sections and adjoining neighborhood developments. The school is sometimes included in searches tied to the best elementary school in Ohio because of its early-childhood academic focus and established district presence.