Think carefully about your situation. You might be concerned about not being able to find the time to do everything . There's only one answer to this one, and it's something you'll have to come to terms with almost immediately. So, lower your standards on the household front, and prepare your partner and family. A desirable side-effect of my course was my husband's greater involvement with our children at weekends and in the evenings when I've had to study, which has greatly enhanced his relationship with them.
Some colleges run courses for people returning to study after a break.
If you have a partner, it will help tremendously if he volunteers some level of support. However, if you can get him to see the advantages, you stand a much better chance of getting that support. The list of reasons for doing the course which you made earlier may come in handy here. If your partner can see what's in it for him, he's more likely to offer his support and help. Hopefully, you'll have motivated your partner to offer practical as well as moral support.