be sure that there is a good church nearby. For those of us that are Reformed, this often coincides with a church that belongs to NAPARC. Here are some words of wisdom from the blog of Westminster Seminary California.
Christ has given the church the great commission, and Christ has gifted ministers to preach the word and administer the sacraments. No school is ever a replacement for the church and the means of grace. Why would you send your child off into the wilderness without food to sustain him?