Two of the best curricula for Christian homeschooling and Christian schools are below.
Bob Jones is better for critical thinking. There is more reading in Bob Jones. Bob Jones is more teacher focused and lets teachers choose what to teach. Abeka is more structured and has rote memory in learning. Abeka is probably easier for students than Bob Jones. If you have a school and you don’t have a lot of teachers, then the
ACE curriculum might be a good choice. It allows for more self learning.
Easy Peasy All in One Homeschool - Free
I have a friend who is a missionary and is conservative in doctrine. He likes this free homeschool curriculum.