NIA House Montessori School Share Tweet (615) 913-4774 620 North 1st Street, Nashville, TN 37207, USA NIA House Montessori School is a private school in the heart of Nashville, Tennessee. With a commitment to being a socio-economic and cultur... Listed in: Private Schools 1718 people have viewed this listing. 14 people have visited NIA House Montessori School’s Website from this listing.