Seneca is a 2 year program plus a semester of consolidation, so you're doing 2 and a half years all together. It ran through the summer this year, not sure if they are doing the same for next year....
I took the pre health and science program at seneca 2 years ago. I enjoyed it, though it is A LOT of work!!! I didn't take chem, bio or math in high school past the required grade 9 or 10 (can't...