A Harrison High School teacher went into cardiac arrest in his classroom Thursday morning and later died at the hospital, Southwest Local Schools announced.The district said John Stephen "Steve" Coffman II, a mathematics teacher , was known for his "steady presence, passion for education and unwavering commitment to students.""Many of our students and staff members are deeply impacted by this, as grief is an incredibly difficult experience to process," the district said. "Our team has been working directly with the family to provide support since this tragedy occurred, and we want to provide support for our students and staff as well."Coffman had also worked at Harrison Junior, South Dearborn, East Central and multiple other Indiana schools. He previously served as the head boys basketball coach and assistant softball and cross country coach at Harrison High School, and helped fellow staff members with financial planning as an investment advisor representative with Coffman Wealth Management.WATCH: Community mourns teacher who died after going into cardiac arrest Harrison High School teacher dies after going into cardiac arrest in classroomAn email sent to parents said the school's Project ADAM team and neighboring teachers helped administer emergency medical care before Coffman was taken to Mercy West, where he later died.School board president Jeff Biddle is a family friend of Coffman."It's just a terrible day for their family and the district," Biddle said. "He was a wonderful man. My wife was a babysitter for their children."Biddle said the teacher has two daughters.A social media post from Harrison Athletic Boosters announced that all after-school events including any games, practices or meetings were canceled Thursday. Classes are canceled for both Harrison High School and Harrison Junior School Friday, May 1. However, the building will remain open for anyone who wishes to gather or utilize the grief counselors and community support resources available from 9 a.m. to noon.Community support will also be available at the high school when classes resume Monday, the district said. ...read more read less