ESS Announces Acquisition of HeyTutor, Expanding K-12 Workforce Solutions with Tutoring and Academic Intervention Services

<p>Backed by The Vistria Group, ESS continues to broaden its platform to help school districts address workforce and student support needs. KNOXVILLE, Tenn., Sept. 16, 2026 /PRNewswire/ -- ESS, a leading provider of K-12 workforce solutions backed by The Vistria Group, today announced the...</p>