The following classes are concurrent and have start times that begin within 20 minutes of each other. They are listed for your convenience in scheduling students at multiple levels in the program. All of these combinations enable you to make the share time portion of a class where it applies How this works: The child whose class begins second comes into the first child's class and their teacher will pick them up at the appropriate time. In addition to this there are many class offerings that begin within a half hour of each other or are consecutive, please check the schedule.