I think because they had to leave their home and even though they might be somewhere better it just doesn't feel right to them like its just not where belong or should be.
Hope it helps not sure if right
I would say wakes up as the phrase "come to" can mean waking up and "start" means beginning. So the phrase can mean starting to wake up, that's just my guess though.
D that’s my answer ... hope it helps!
Answer:
yes some of them target the students