Stewart coached St. Teresa from 2000 to 2014, compiling a record of 297-154 with five regional titles, four conference titles and two sectional titles.
Arnold, who will continue to coach the 16U Decatur Commodores team, becomes just the fourth Mount Zion baseball coach since the program began in 1969-70.
The project, which dates back to 2009, is moving forward with Amber Oberheim's support.
"It has been a really successful summer, maybe the most in all of my years of coaching. I think we are going to turn some heads this year," Generals head coach Sean Flaherty said.
Photos from the summer league game against Rochester at Mount Zion
For nearly all of our 40 years together, my wife Martha and I have hosted a Fourth of July party for family, extended family, friends, acquaintances, cats, dogs and the occasional drifter.
On Wednesday, Eisenhower's Ethan Greene announced his intentions to join the bass fishing team at Greenville University next season.
Matt Smith has resigned as Mount Zion head baseball coach after 10 years.
Griffin, 59, was head girls coach at Heyworth High School for 16 years. He was diagnosed with cancer after taking over as eighth grade girls coach at Tri-Valley.
MacArthur's Cameron Lee finished sixth at 113 pounds at the IWCOA Class 2A State Wrestling Tournament on Friday in Springfield.
MacArthur's Cameron Lee navigated his regular season undefeated and the senior qualified for the Illinois Wrestling Coaches and Officials Association (IWCOA) Class 2A state tournament.
Mount Zion's Christian Keyhea, Taylorville's Chris Cherry win silver medals at the 2A boys state track meet on Friday in Charleston.
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Mount Zion pole vaulter Kyle Hensley medaled at 2A boys state track meet on Friday in Charleston.
The senior sprinter had medaled twice already on Thursday — a bronze medal in the 100 meters and a silver in the 4x200 relay — and he needed a little extra to finish off the 200, his fourth race of the day.
Meridian's Drew Hurelbrink gets off to a good start in the Class 1A high jump at the IHSA Boys State Track & Field Meet in Charleston
Maroa-Forsyth's Charlie Gentle clears the bar in the Class 1A pole vault at the IHSA Boys State Track & Field Meet.
Effingham St. Anthony softball lost in extra innings to Glasford Illini Bluffs in 1A state title game on Wednesday.
Effingham St. Anthony softball shut out Arthur-Lovington-Atwood-Hammond in the Class A state semifinal in Peoria on Wednesday.
See more photos from the semi final game in Peoria.
Mount Zion's Christian Keyhea and Maroa-Forsyth's Ben Gilbert will be among leading sprinters at the Class 1A and 2A Boys State Track and Field meet this week.