In your shoes, I would try to refinance the mortgage to get that interest rate down. To offset pension risk, I would fully fund both Roth IRA's, if I were eligible. I would also check with your district(s) to see if 457 (deferred comp) plans are available. You can stash a lot of money in those (for 2013, up to $17,500 each)and if you leave before age 59 1/2, you can draw on them without penalty.
You don't state your age, so I will guess early 30's. I would discount the pensions and social security to some extent if that is correct.
If getting rid of the mortgage is top priority for you, compare the payment on a 15 year mortgage, which should have an interest rate of under 3 percent, to your current payment.
Congratulations on wiping out the student debt!
Edit: If you mean Ontario, Canada, not Ontario, California, then none of this applies. Except the congratulations.