Bigby, a five-star recruit ranked No. 23 in her class by ESPN, announced her commitment to play for the Ducks on Sunday night via Twitter.
The 6-5 senior, a five-star recruit, also had offers from other elite programs such as Kansas and Arizona.
Cottrell, a four-star recruit, will play his senior year at Huntington Prep in West Virginia. And Isaacs, a five-star recruit, is transferring to Wasatch Academy in Utah.
Swift sat out the high school season after transferring from Durango to Desert Pines, but returned to competitive basketball during the club season with the Las Vegas Knicks, with whom he reached the under-16 championship game Sunday in the Fantastic 40 at the Tarkanian Basketball Academy.
The 6-foot-2-inch junior point guard has received offers from Long Beach State, Fresno State and UNR during his club basketball season with the Las Vegas Knicks.
The NCAA revised its recruiting calendar last year and reduced the number of weekends college coaches can watch and recruit during the club season.
The former Durango High standout, a four-star recruit who played the 2018-19 prep season in Los Angeles, is the first player in the 2020 class to commit to the Rebels.
Find out which team was named the 2019 Nevada Preps Team of the Year.
Desert Pines three-sport athlete and highly-touted football star Darnell Washington is the winner of the Richard Nelson Courage Award.
Find out which coach was named the 2019 Nevada Preps Coach of the Year.