I honestly think it is better to be a failure at something you love than to be a success at something you hate.
Go confidently in the direction of your dreams.
Live the life you have imagined.
—Henry David Thoreau
There is no minimum number of college credits that qualifies an individual to become a professional stage manager. Outside of educational theater situations, no producer (or anyone else who hires stage managers) will ask to see your college diploma, your high school diploma, or any other kind of certificate. Producers might ask to see your rÉsumÉ and will probably ask you about your past experience.
The two factors that count most heavily are your feeling of competence ...