[2] In 1886, The Macon Telegraph announced that all but $700 of the $7,000 needed to build Marietta High School had been raised.

[6] In 2001, the school moved to its current location on 1171 Whitlock Avenue SW with a new $55 million state-of-the-art facility on 60 acres.

[6][8] Gabe Carmona served as principal until 2018 when he moved to North Paulding High School.

Dr. Eric Holland was appointed as principal of MHS on July 13, 2022, by the MCS Board of Education.

The racial makeup of the student body in 2021–2022 was 38.2% Black, 37.5% Hispanic, 19.1% White, 4.3% Two or More Races, and 1.4% Asian.