Warburg Pincus LLC acquired a minority stake in the U.K.-based Inspired group of premium schools, which is backed by Oakley Capital Investments Ltd.

The private equity group made the investment alongside Inspired's existing shareholder, TA Associates (UK) LLP, according to a release.

As part of the deal, financial terms of which were not disclosed, Oakley Capital Private Equity II LP divested part of its stake in the business. Oakley Capital will continue to hold its direct stake and its remaining indirect interest in Inspired through the fund.

Oakley Capital's share of the proceeds will be about €40 million. Its direct and indirect investment in Inspired is valued at approximately €102 million.

Inspired, founded by Nadim Nsouli, has offices in London, Milan, Johannesburg, Bogota and Auckland.