Guidepost Montessori Share: Education Guidepost Montessori Visit Website 1700 Corporate Drive Birmingham, Alabama 35242 (205) 677-3619 Facebook About Map About Guidepost is part of an international network of Montessori schools dedicated to helping children grow through joyful learning. Our school in Birmingham serves children 16 weeks to 6 years old. What's Nearby? Distance: 5 10 15 20 25 50 mi.