How do the choices at the end of the Grissom Academy mission affect my War Assets?
If you choose the "They're ready for battle." Renegade option, the students will be made into a Biotic Company in the Alliance. This adds 75 War Asset points in addition to Renegade points.
You will still be able to receive the 20 point bonus for Kahlee Sanders and the bonus for allowing Grissom Academy students/instructors access to the citadel.