Times have changed, but the formula remains stuck in 1949. The wealth disparities between neighboring towns simply did not exist at anything like their current scale. The founders of the regional school system could not have foreseen the inequity their formula has imposed on most towns today.
In 1982, Deitz moved to Hillsdale where he led the formation a new mission church, Trinity Lutheran (now Christ Trinity Church in Sheffield, Massachusetts) before retiring from the ministry.