Yes you can. You can earn a GED. Many Community Colleges have GED programs and also, high schools do though their vocational programs.
You can get a study manual that many local libraries have on hand. Most programs are free.
Inquire at your local college, library or high school. Once you have your GED, you can go on and take college courses through government grants and student loans.
You can also get free childcare services as you attend school. There are many wonderful programs for education.