Montessori Community School of Rhode Island (MCS RI), Providence RI. Montessori Community School of RI School Calendar.
Montessori Community School of RI (MCS RI) is a socio-economically diverse early childhood education center serving children, ages 18 months to 5 years. Located in the South Side of Providence, MCS RI is the only Montessori preschool in Rhode Island that serves all children regardless of their family's financial status. MCS RI is an alternative educational option, offering a child-centered, hands-on learning experience and a vibrant arts and nature based curriculum.