Help with these cryptic clues please?
3 Elementary scholars in charge(5)
5 Girl's faithful? Just the opposite! (8)
6 Is he in the secret army? (7)
9 Continuous roasting authoress (7)
17 I get dad into trouble with maths function (8)
23 On one's own, with no details sorted out (8)
27 Easy weight for him to carry (9)