I could not find it but in 1971 the OHSAA did the Harbin as a test run for the 1972 season. In 1971 I believe Class AA Steubenville Catholic Central led the state in Harbin points.
9/11/1971 Cleveland John Hay 34-0
9/17/1971 @Wellsburg (WV) Brooke 16-0
9/25/1971 Wintersville High 20-0
10/2/1971
@east Liverpool High 14-6
10/9/1971 Pittsburgh (PA) Central Catholic19-6
10/16/1971 @Weirton (WV) Madonna 28-6
10/22/1971 Steubenville High 23-8
10/30/1971 Louisville St. Thomas Aquinas 40-0
11/6/1971 Youngstown North 31-0
11/13/1971 Austintown Fitch 28-0
I definitely recall seeing the 1971 Harbin rankings (I believe on JJ Huddle) but the OHSAA site only first back to the 1972 season. I’m sure the Harbin’s would have to be recalculated as well. The 1971 SCC team played mostly a Class AAA schedule and beat some very high ranking teams.