| # | Team | State | Ovr. | Rating | Str. | +/- |
|---|---|---|---|---|---|---|
| 1951 | Shelton | CT | 4-12 | -3.40 | 1.5 | +17 |
| 1952 | Minneapolis Southwest | MN | 4-6-1 | -3.40 | -1.5 | +2 |
| 1953 | Stafford | VA | 3-9 | -3.40 | 0.8 | +2 |
| 1954 | Southwest Guilford | NC | 9-7 | -3.40 | -4.8 | +2 |
| 1955 | Long Island City | NY | 8-2 | -3.40 | -6.4 | +2 |
| 1956 | Pueblo West | CO | 7-8 | -3.50 | -3.3 | +2 |
| 1957 | Chadwick | CA | 2-10 | -3.50 | 2.3 | +2 |
| 1958 | Hamilton | NY | 4-5 | -3.50 | -2.8 | +2 |
| 1959 | Hempstead | NY | 5-10 | -3.50 | -0.8 | +25 |
| 1960 | Maret | DC | 3-11 | -3.50 | -0.9 | +1 |
| 1961 | Manlius Pebble Hill | NY | 2-16 | -3.50 | 5.3 | +1 |
| 1962 | M Manchester Essex | MA | 8-10 | -3.50 | -2.3 | +1 |
| 1963 | Southern Regional | NJ | 7-10 | -3.50 | -2.9 | +1 |
| 1964 | Klahowya | WA | 6-4 | -3.50 | -5.9 | +1 |
| 1965 | Sleepy Hollow | NY | 9-7 | -3.50 | -5.7 | +1 |
| 1966 | University School of Milwaukee | WI | 7-7 | -3.50 | -3.9 | +1 |
| 1967 | Hull | MA | 6-11 | -3.50 | -0.5 | +2 |
| 1968 | Waterloo | NY | 6-13 | -3.50 | 0.3 | -526 |
| 1969 | Eden | NY | 10-11 | -3.50 | -3.1 | -17 |
| 1970 | Sauk Prairie | WI | 6-9 | -3.50 | -2.3 | -- |
| 1971 | Grayslake North | IL | 10-10 | -3.50 | -2.0 | -- |
| 1972 | Webster Groves | MO | 4-8 | -3.50 | -1.4 | -- |
| 1973 | University City | CA | 5-12 | -3.50 | 0.9 | -- |
| 1974 | Cambridge-South Dorchester | MD | 2-9 | -3.50 | 3.1 | +1 |
| 1975 | Hastings | NY | 11-6 | -3.60 | -6.4 | +1 |