1A Program history · 1915–1989 · consolidated into Boyden-Hull-R Valley, 1990
Rock Valley
166-144-7
All-time
.535 · 48 seasons
106-44
Since 1972
.707
0
State titles
none
4
Playoff seasons
of 18 since 1972
32.6
Best season
1979 · #2 2A · 9-1
#42.6
Avg class rank
best #1 (1978)
Rating by season
Final power rating each season, all classes on one scale. Filled points are state titles; #1 marks a season the team finished first in its class.
Win percentage
Bars are dimmer in seasons without a playoff game.
Classification
1A1972
2A1973–1982
1A1983–1989
15
Longest win streak
1978–1979
6
Longest losing streak
1921–1922
Most-played opponents
| Opponent | Games | Record | Years |
|---|---|---|---|
| Central Lyon CL-G-LR | 37 | 12-22-3 | 1915–1989 |
| Maurice-Orange City | 29 | 10-19 | 1960–1989 |
| Inwood West Lyon | 28 | 14-12-2 | 1962–1989 |
| Hawarden West Sioux | 26 | 13-13 | 1921–1989 |
| George | 26 | 16-10 | 1938–1985 |
| Boyden-Hull-George-Little Rock | 25 | 21-4 | 1965–1989 |
| Sioux Center | 25 | 11-14 | 1965–1989 |
| Akron-Westfield | 22 | 12-10 | 1922–1988 |
| Hartley-Melvin | 12 | 11-1 | 1924–1987 |
| Canton Augustana SD | 10 | 4-6 | 1937–1967 |
| Orange City | 7 | 3-3-1 | 1921–1934 |
| Harris-Lake Park | 6 | 6-0 | 1965–1970 |
Season by season
| Season | Class | Rank | Rating | Record | Mrg/g | PF–PA | Playoffs | District | Conference |
|---|---|---|---|---|---|---|---|---|---|
| 1989 | 1A | #25 / 88 | 0.1 | 5-3 | -2.6 | 132–153 | — | 1 | Siouxland |
| 1988 | 1A | #9 / 94 | 11.5 | 7-2 | +10.2 | 201–109 | 0-1 | 1 | Siouxland |
| 1987 | 1A | #7 / 103 | 14.7 | 8-2 | +17.4 | 276–102 | 1-1 | 1 | Siouxland |
| 1986 | 1A | #12 / 111 | 10.9 | 5-3 | +4.0 | 120–88 | — | 1 | Siouxland |
| 1985 | 1A | #11 / 115 | 12.5 | 6-2 | +14.6 | 240–123 | — | 1 | Siouxland |
| 1984 | 1A | #40 / 114 | 1.9 | 5-3 | +3.6 | 153–124 | — | 1 | Siouxland |
| 1983 | 1A | #17 / 115 | 10.6 | 6-2 | +13.0 | 185–81 | 0-1 | 1 | Siouxland |
| 1982 | 2A | #51 / 100 | -0.4 | 2-6 | -9.5 | 86–162 | — | 1 | Siouxland |
| 1981 | 2A | #25 / 110 | 11.2 | 5-3 | +3.8 | 146–116 | — | 1 | Siouxland |
| 1980 | 2A | #6 / 126 | 23.6 | 7-1 | +26.6 | 257–44 | — | 1 | Siouxland |
| 1979 | 2A | #2 / 168 | 32.6 | 9-1 | +27.1 | 352–81 | 1-1 | 1 | Siouxland |
| 1978 | 2A | #1 / 158 | 29.4 | 7-1 | +23.1 | 246–61 | — | 1 | Siouxland |
| 1977 | 2A | #17 / 135 | 15.7 | 7-1 | +15.1 | 232–111 | — | 1 | Siouxland |
| 1976 | 2A | #62 / 401 | 14.0 | 5-3 | +10.5 | 185–101 | — | 1 | Siouxland |
| 1975 | 2A | #100 / 401 | 9.0 | 7-1 | +22.0 | 218–42 | — | 1 | Siouxland |
| 1974 | 2A | #102 / 402 | 8.2 | 8-1 | +21.8 | 261–65 | — | 1 | Siouxland |
| 1973 | 2A | #197 / 400 | -0.3 | 3-5 | -0.3 | 121–123 | — | 1 | Siouxland |
| 1972 | 1A | #82 / 202 | -7.5 | 4-4 | -7.5 | 101–161 | — | 1 | Siouxland |
| 1971 | pre-class | — | — | 1-7 | -8.3 | 104–170 | — | — | — |
| 1970 | pre-class | — | — | 5-3 | +8.3 | 158–92 | — | — | — |
| 1969 | pre-class | — | — | 3-5 | -14.4 | 77–192 | — | — | — |
| 1968 | pre-class | — | — | 3-4-1 | -0.6 | 141–146 | — | — | — |
| 1967 | pre-class | — | — | 3-6 | -2.9 | 125–151 | — | — | — |
| 1966 | pre-class | — | — | 4-4 | -0.9 | 113–120 | — | — | — |
| 1965 | pre-class | — | — | 4-4 | +2.4 | 101–82 | — | — | — |
| 1964 | pre-class | — | — | 0-7-1 | -24.8 | 74–272 | — | — | — |
| 1963 | pre-class | — | — | 1-6-1 | -12.1 | 90–187 | — | — | — |
| 1962 | pre-class | — | — | 2-4 | -20.7 | 26–150 | — | — | — |
| 1961 | pre-class | — | — | 2-6 | -18.0 | 47–191 | — | — | — |
| 1960 | pre-class | — | — | 2-6 | -15.6 | 74–199 | — | — | — |
| 1959 | pre-class | — | — | 3-2 | +1.8 | 59–50 | — | — | — |
| 1938 | pre-class | — | — | 3-3 | +4.0 | 97–73 | — | — | — |
| 1937 | pre-class | — | — | 5-1 | +11.2 | 131–64 | — | — | — |
| 1936 | pre-class | — | — | 0-1 | -18.0 | 0–18 | — | — | — |
| 1934 | pre-class | — | — | 0-1 | -39.0 | 0–39 | — | — | — |
| 1933 | pre-class | — | — | 2-1 | +19.3 | 65–7 | — | — | — |
| 1931 | pre-class | — | — | 0-1 | -52.0 | 0–52 | — | — | — |
| 1927 | pre-class | — | — | 1-4-1 | -7.8 | 44–91 | — | — | — |
| 1926 | pre-class | — | — | 4-3-1 | -2.6 | 67–88 | — | — | — |
| 1925 | pre-class | — | — | 1-4 | -25.4 | 19–146 | — | — | — |
| 1924 | pre-class | — | — | 5-4 | -0.7 | 145–151 | — | — | — |
| 1923 | pre-class | — | — | 4-3 | -2.3 | 88–104 | — | — | — |
| 1922 | pre-class | — | — | 0-2 | -10.0 | 12–32 | — | — | — |
| 1921 | pre-class | — | — | 0-4 | -59.8 | 13–252 | — | — | — |
| 1920 | pre-class | — | — | 1-1 | -13.0 | 26–52 | — | — | — |
| 1919 | pre-class | — | — | 0-1 | -20.0 | 0–20 | — | — | — |
| 1916 | pre-class | — | — | 0-2-1 | -6.3 | 46–65 | — | — | — |
| 1915 | pre-class | — | — | 1-0-1 | +2.5 | 19–14 | — | — | — |
Seasons marked pre-class come from the all-time archive: record and points only, no class, rank or rating.