1951–The first year for UIL boy’s basketball competition
1963–Marion’s first ever Homecoming game. It was a basketball game.
1969–Zeke Gallaway set a new high jump record at Odem with a leap of 6′ 4″
1969–Marion had it’s first football homecoming game with Pettus as their opponent.
1972–Marion had it’s first Golf team. The coach was Tom Thornton.
1973–This was the first year since football began, that Marion won their Homecoming game. Marion defeated LaVernia 23-0.
1974–The first time the girl’s basketball team scored 100 points in a game (12/10/74 against Lackland)
1975–The first time the boy’s and girl’s basketball teams won the championship in the same tournament
1975–The 8th grade football team was undefeated, unscored on, and untied on.1977–The football team won their 1st game of the season for the first time ever.
1977–The football team were district champions for the first time ever.
1978–The first year Marion had a 7th grade girl’s track team (They also won the district title)
1979–All four high school track teams won first place at the district meet.
1986–The first year that the boys basketball team won the district championship
1988–The girls basketball team broke Poth’s 76 game winning streak by beating them 73-60 on December 13th.
1989–The first time the girl’s basketball team was in the state semi-finals