Join Our Team at Montessori Renaissance Academy. Montessori Renaissance Academy (MRA) in Anoka, MN is looking for a caring and motivated full-time teacher's assistant to join our team. At MRA, we focus on encouraging children to learn and grow, offering educational programs from toddlers to 9th grade. About Us. At Montessori Renaissance Academy, we have a rich history in the community and provide an authentic Montessori education that promotes in...