User blog comment:EzraPnF/I WISH THERE WAS A 4TH SEASON WHICH WILL BE ABOUT ALL THE KIDS GOING TO SCHOOL!/@comment-1331763-20091211123005

Also, if you watch "Piper's Picks" (Episode 32), both Dan and Swampy basically confirm what Bob mentioned above.......you will NEVER see Phineas and Ferb in school. The show is about having a good time when you are young and not as responsible, and in my opinion, the show should stay that way.