Arnold Ventures RFPs   https://www.arnoldventures.org/grantees

Demonstrating the Power of Evidence-Based Programs to “Move the Needle” on Major U.S. Social Problems (announced Jan. 2021) - Submissions are accepted on a rolling basis; there is no deadline.

Randomized Controlled Trials to Evaluate Social Programs Whose Delivery Will Be Funded by Government or Other Entities (announced Jan. 2021) - Submissions are accepted on a rolling basis; there is no deadline.

Randomized Controlled Trials of Criminal Justice Programs and Practices (announced Nov. 2020) - Submissions are accepted on a rolling basis; there is no deadline.