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The PK-12 education system in the United States is a comprehensive public education pathway from kindergarten through the 12th grade. It is provided free of charge and is compulsory, required by law, for all children. 

Ohio, like all other U.S. states, mandates school attendance, with the aim of ensuring a continuous education program. The Ohio Revised Code Section 3321.07 stipulates that if a child is instructed outside of the public school system, the alternative education must meet minimum standards set by the state's director of education and workforce. The hours and terms of attendance should be equivalent to those required in public schools, allowing for attendance at vocational, commercial, or special types of schools as long as they conform to the standard high school term and hours.

Mason City Schools serves Mason and Deerfield Township in Warren County. The district is significant, with the largest high school by enrollment in the state, William Mason High School. Mason City Schools operates a tiered structure of education, starting with the Mason Early Childhood Center for pre-kindergarten through second grade, progressing to elementary and intermediate schools, and culminating at William Mason High School for grades nine through twelve.

At Mason City Schools, like the rest of Ohio, the academic year typically starts in August, with students placed in grades based on their age. This age-grade placement aligns with Ohio's legal framework to ensure that each child receives an education appropriate to their developmental stage, adhering to both the state's educational standards and the compulsory attendance laws to provide a consistent and structured educational experience.

Grade Preschool

Age 3-5

Mason Early Childhood

Mason Early Childhood offers preschool that serves students ranging in age from 3 to 5. Ohio requires that Public Schools offering preschool must have 50% of their preschool enrollments be Special Education students. 

Preschool offers two sessions per day and students start school one week after K-12 students. Each session lasts for two hours and forty five minutes. 

The session, referred to as AM or PM are dictated by where you live. Different streets have different sessions associated with them.

Grades Kindergarten-2

  • KG - Age 5-6
  • 1 - Age 6-7
  • 2 - Age 7-8

Mason Early childhood

Mason Early Childhood Kindergarten is offered twice per day and each session is two hours and forty five minutes long. Like preschool, Kindergarten AM and PM are determined by the street on which you live.

First and second grade students attend school for a full day starting in August and ending in May for 179-180 days per year.

Grades 5-6

  • 5 - Age 10-11
  • 6 - Age 11-12

Mason Intermediate

Mason Intermediate serves students in grades five and six that range in age from 10-12 years old.

Mason Intermediate students attend school for a full day starting in August and ending in May for 179-180 days per year.



Grades 7-8

  • 7 - Age 12-13
  • 8 - Age 13-14

Mason middle school

Mason Middle School serves students ranging in age from 12-14. Students at Mason Middle School attend from August to the following May and are in session for 179 days.

Grades 9-12

  • 9 - Age 14-15
  • 10 - Age 15-16
  • 11 - Age 16-17
  • 12- Age 17-18

Mason high school

Mason High School serves students ranging in age from 14-18. Students at Mason High School attend from August to the following May and are in session for 179 days.