The Palmetto Promise Institute (PPI) is a conservative think tank in South Carolina.

[5] The organization's board of directors includes Rick Timmons, Jim DeMint, Dan Adams, Mike Brenan, Stu Rodman, Van Hipp Jr., Phil Hughes, Wendy Damron, and Barry Wynn.

The lawsuit stemmed from McMaster's plan to spend $32 million in federal coronavirus aid to help families pay for K-12 private school tuition.

In the case, the court ruled that McMaster's SAFE Grants, which were promoted publicly by the Palmetto Promise Institute, were a violation of the state constitution's prohibition against state funds being used to fund private schools.

[7] Palmetto Promise Institute is part of the conservative and libertarian State Policy Network.