Bain Capital Double Impact, an impact investor based in Boston, led a $27m Series D round for PresenceLearning, provider of live online special education-related services for K-12 schools. Existing investors Catalyst Investors, New Markets Venture Partners and Catamount Ventures also participated in the round. "Our work has taken on new importance and expanded relevance this year, and this capital will support our continued growth and help us reach even more students and clinicians in special education programs," Kate Eberle Walker, PresenceLearning CEO.