Ludus
The latin word for game is Ludus, which also means school and sport.
Ludus (-i, m).
Training camp for gladiators.
Ludus
Ludus.
Training camp for gladiators.
The largest gladatorial training school in Rome.
Well, ludus magister would be "school captain". Ludus, ludi, masculine Magister, magistri, neuter
This is not a grammatical phrase in Latin. It looks like it might be the product of an online translator which produces a word-for-word translation with no regard whatever for Latin syntax.
An ancient Roman elementry school was called a ludus.
Foreign Legion Detachment in Mayotte's motto is 'Pericula ludus'.