What is the fine-grained topic of the following text: The Blyth Academy Lower School Program immerses students into an academic setting reminiscent of the very best post-secondary institutions; very small class sizes (averaging under eight students), roundtable discussions as opposed to desk-based lessons, and rich, experiential learning opportunities outside of the classroom introduce students to this new way of learning. Only return the topic.
Blyth Academy Lower School Program's teaching approach