Hyperspace High Series by Zac Harrison, Dani Geremia

When John Riley gets on the wrong bus, he ends up at an elite academy on an enormous space ship, where his classmates are aliens, the food is disgusting, and the penalty for failing exams is harsh. Can he show that he deserves a place at Hyperspace High?

When John Riley gets on the wrong coach, he ends up at an elite academy on an enormous space ship, where his classmates are aliens, the food is disgusting, and the penalty for failing exams is harsh. Can he show that he deserves a place at Hyperspace High?John learns that museums in outer space are anything but boring when his class travels to the museum planet of Archivus Major. But the field trip goes badly wrong when two rival tribes of aliens are accidentally released from cryogenic storage.

When John Riley gets on the wrong coach, he ends up at an elite academy on an enormous space ship, where his classmates are aliens, the food is disgusting, and the penalty for failing exams is harsh. Can he show that he deserves a place at Hyperspace High?It’s competition time at Hyperspace High as the students build robots to compete in the annual Robot Warriors contest. John and Kaal are in with a chance of winning, but will competition get in the way of friendship?

It's the end of term, and the students are in the grip of revision fever...until a real fever takes over. The onlly possible cure lies in a distant nebula, but with the whole school under quarantine, who will be brave enough to go and get it?