Do you enjoy learning online? Would you like to continue learning online full-time for the 2020 - 2021 school year? Check out the SC Whitmore School. Since 2011, SC Whitmore School has been educating South Carolina, high school students. SC Whitmore School is a public school authorized by the SC Public Charter School District. All 9-12 grade full-time students under the age of 21, who reside in SC and who can provide proof of SC residency, are eligible to attend SC Whitmore School.