It was a challenge, and your priorities will be jumbled. You must ask yourself how long you want this to take you, set your goal, and then do it. The UIUC program was set up for two-years. The third cohort has some doubling up, in order to get their degree in one year. That way it doesn't seem so dragged out.
Some schools offer sabbaticals for teachers.
If you find it's too much to juggle, see about taking a sabbatical.