Any undergraduate or World Campus student can opt into using alternative grades in LionPATH starting December 23.
Penn State will join a nationwide program focused on increasing diversity within STEM programs.
Administrators said the move comes amid "uncertainties across the world" related to the coronavirus pandemic that have made travel difficult.
Penn State says the site is built to be adaptable as the audience changes and more technology becomes available
Should the policy be officially implemented, students would have up until the last day of classes to change their grades.
Johnson became Schreyer's dean in 2017 and joined Penn State's faculty in 1996.