From the Opal School website:
Opal School of the Portland Children's Museum is a beginning school (ages 3–5) and public charter elementary school (grades K–5). The mission of Opal School is to strengthen public education by provoking fresh ideas concerning
environments where creativity, imagination and the wonder of learning thrive.
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From the Sabot website:
Sabot at Stony Point is a school designed to sustain children's quest for meaning and understanding, harness the power of their theories and ideas, and guide their inquiry and research. In an environment that supports collaboration and respectful exchange, we challenge our students to become effective communicators and disciplined thinkers, capable of solving problems in our increasingly complex world.
Sabot at Stony Point is an independent school educating children in Preschool (ages 2 1/2 to 5), Lower School (Kindergarten through Fifth Grade) and Middle School (Sixth through Eighth Grade).