The Vistria Group, a private equity firm, completed the acquisition of a majority stake in Education Solutions Services, a provider of staffing services dedicated to offering administrative relief to school districts and professional working opportunities to qualified educators, from Nautic Partners, a middle-market private equity firm. Nautic Partners will remain a minority shareholder. Financial terms were not disclosed. "It has been our pleasure to work with the team at ESS over the last seven years. We are proud to be associated with a company that not only is a leader in its market, but also makes a positive impact on the lives of the students in our communities by helping to ensure that they have reliable, available substitute teachers to provide the best possible educational outcomes. We look forward to our continuing involvement with ESS over the coming years," Bernard Buonanno, Nautic Managing Director.