Congratulations on your PGCE, good for you, that's a serious achievement.
You are absolutely right to want to have a balance betwen work life and home life, which mother, and most fathers too, don't want that?
It's so difficult to find work, in any sector, that allows you spend any serious amount of quality time with your kids and your kids are only kids once, you only get each day once, each year once, no more chances and then thats it, they're adults and you've missed their childhood, whilst you were at work!
Having said that, most of us, unfortunately have to work, we have bills to pay and we have to eat, so work it is.
Teaching, at least, has the long holidays and shorter working days than a lot of industries so you've made a good choice.
Is it primary you're teaching? Are you trying to get a job share or something similar?
Whereabouts are you? Maybe I could have a quick look for you too? Two heads, better than one and all that