Mindlin, an Arizona native, had the opportunity to represent the U.S. internationally at the Maccabiah Games in Israel last July.
Duke swept Boston College and UNC Wilmington at a tri-meet on October 29 and 30, including a school record performance from Cole Reznick.
The six signees includes six swimmers and a diver. The group comes to Durham from Colorado, Maryland, New Jersey, North Carolina, Pennsylvania and Virginia.
Jack Christian of Episcopal Academy and Upper Main Line YMCA plans to swim for Duke beginning in the 2021-22 school year.
Foley, a Duke commit, made a drop of over 3 seconds in the 200 IM to break 2:00 for the first time. Her swim is fast enough to have placed 7th at 2019 ACCs.
Ross Dant of Hickory defended his 1000 free title from 2018 and broke the YMCA meet record by over 5 seconds in the process on the first day of the championships.