From K-College (that's 17 years of school), he's the best math teacher I ever had. Some Old Horse Came A Hopping Through Our Alley!
MR. Costello was the greatest teacher of all time. I would always solve the chess problem. Chess is alot like math.
Mr. Costello is by far one of the best teachers ver. His class isnt too easy but it's fun and he's great.
Mr. Costello is a great teacher. He taught me, my mom, my sister, my cousin, my other cousin, my aunt, my uncle, and my other uncle. We all loved him.
he sure likes his games! I like his homework style. He is kinda layed back, and fun
Mr.Costello is so cool...love those corny jokes..."thats a zoid, and hes trapped" tee hee hee rawk on Mr. COstello...to bad my little sister can't have him
I really enjoyed his class way back in 1983. 1st teacher to have a Commodore 64.
i did spanish homeork everyday and didnt learn a thing but still got an A
Unorthodox teaching style, but great. Is a bit too preoccupied with chess.
His classes were easy...I wonder if I really learned the stuff he taught though
costello's the coolest! his jokes are way better than carey's... LoL
Mr. Costello's cool. His class is awesome, I'm learning a bunch
good ol' corny jokes, can sleep in class if you already know the stuff