Since school is out anyway, and cable is erratic, and your kids may be bored out of their minds, go and do volunteer work with them.
You can go to PGH, Red Cross, Caritas Manila, Ateneo... in fact, any big school or Church in your area. The internet is also replete with information on where to go and where you may be needed. This is a perfect opportunity to teach them about involvement and nationalism, about environmental and health issues, about breastfeeding and why it's most important.
You don't need to memorize the Encyclopedia Brittanica, have millions to give away, know the best acne treatment or have the ability to conjure up food... you just have to care and give of your time and energy.