Mill Valley Elementary School is located at 633 Mill Wood Blvd, Marysville, OH 43040. The public school serves students in grades kindergarten through 4 within the Marysville Exempted Village School District. Current enrollment includes approximately 427 students throughout the elementary academic program. The campus maintains a reported student–teacher ratio of 23:1 during the current school year. Enrollment data shows a student population composed of roughly 49% male students and 51% female students. State testing shows approximately 77% of students meet math proficiency standards while nearly 82% achieve proficiency in reading assessments. The school functions as a district-operated elementary campus and includes arts instruction, technology-supported classrooms, and literacy support programs throughout the academic year. Its elementary campus scale creates a more neighborhood-centered learning environment than combined K–8 campuses operating in nearby central Ohio communities. Homes surrounding the campus commonly list near $355,000 throughout nearby Marysville residential sections and adjoining neighborhood corridors. Mill Valley Elementary School also appears in some local searches connected to the best elementary school in Ohio because of its consistent assessment performance and stable district academic structure.