Future Full-Time Tuition and Fees. Tuition for out-of-state students attending Ohio State University-Main Campus increased at an average annual rate of 3.5% over the past 5 years. Over that same period, fees grew by 0.0%. Based on this, we estimate the cost of tuition and fees for 2014 - 2015 will total $26,621.uture Full-Time Tuition and Fees. Tuition for out-of-state students attending Ohio State University-Main Campus increased at an average annual rate of 3.5% over the past 5 years. Over that same period, fees grew by 0.0%. Based on this, we estimate the cost of tuition and fees for 2014 - 2015 will total $26,621.