My teacher fried my brains My Teacher Is an Alien series, book 2 (My Teacher Is an Alien)
Series
Summary
The whole situation began when Duncan Dougal was hiding out in a dumpster (it's a long and smelly story). Stuck in the garbage, he discovered proof that even though the kids drove off the alien named Broxholm the year before, there is still an alien-in-disguise working as one of their 7th grade teac... Full description