A native of Amory, Mississippi, Hall graduated from Amory High School. Playing for his father Bobby Hall, Will led the 1998 Amory Panthers squad to the MHSAA Class 3A State Championship. After high school, he attended Northwest Mississippi Community College where he played quarterback for the Rangers for the 1999 and 2000 seasons. Both seasons at Northwest, Hall was named a NJCAA Football All-American. In 2000 he set a NJCAA record for total offense in a season with 4,075 total yards (93 rushing and 3,982 passing). Hall also set a NJCAA record when he threw nine touchdown passes in a 69–37 victory over East Mississippi Community College in the 2000 season.
After Northwest Mississippi, Hall attended the University of North Alabama where he lettered as quarterback for the Lions for the 2002 and 2003 seasons. Following the 2003 season he won the Harlon Hill Trophy as the top player in NCAADivision II football. He won the award after leading the Lions to a 13–1 record en route to the semifinals of the NCAA Division II playoffs. For the season, Hall completed 71.8 percent of his passes in throwing for 3,531 yards and 30 touchdowns. He also rushed for 467 yards and five touchdowns.
After participating in the 2004 Cactus Bowl(although at what capacity is unknown), Hall signed a contract to play for the Tupelo FireAnts of the National Indoor Football League for the 2004 season. Playing once again for his father, who was the head coach for the team, during the fourteen game season he passed for 2,046 yards and 44 touchdowns. Hall also rushed for 422 yards and thirteen touchdowns.
On November 17, 2010, Hall was promoted from his position of offensive coordinator to head coach effective January 1, 2011, to replace the retiring Bobby Wallace. In his first season as head coach, Hall led the Tigers to an 8–3 regular season, but lost in the first round of the 2011 Division II playoffs to his alma mater North Alabama. For his efforts, Hall was named the 2011 Gulf South Conference Co-Coach of the Year and was given a contract extension through the 2014 season. In 2012, Hall led the Tigers to an overall record of nine wins and two losses, to the second round of the NCAA Division II playoffs and to the first outright Gulf South championship in the history of the program. In 2013 he led his team to back to back Gulf South conference champion. In 2013, Hall led the Tigers to a share of the GSC conference championship with North Alabama.
On November 22, 2013, Hall was officially introduced as the new head coach for the West GeorgiaWolves. In his first season with the Wolves, Hall led West Georgia to the Division II championship semifinals where they lost to eventual national champions CSU–Pueblo and finished the season with a record of 12–3.