I suggested "I have ten male and five female students."which should be accepted. Why not?
It should be
Pupils is acceptable in UK English in place of students
Since תלמידים can mean either 'students' or 'male students' is there any way to distinguish with a sentence like this if the speaker means ten students total (and five female ones) or ten male and five female students?
Yesh li asara talmidim ve-khamesh talmidot.