Armstrong finished 9th overall in the qualifiers, missing by .01 seconds.
Armstrong finished tied for 15th after preliminaries.
The club had announced after last season it would be replacing its longtime moniker.
Brad Morgan II and Troy Summers were also inducted into the 2021 class.
Ross had coached N.P. for four seasons.
The 10-week season will have the top 16 teams in each region qualifying for the playoffs.
Conference officials agreed to $150 per event in football and boys/girls basketball.
Armstrong swam at West Virginia and is currently a junior at Ohio State.