Classes have been added and deleted over the years. Blank areas indicate years when classes were not in effect.
Consecutive Championships
| School | No. | Years |
| Mt. Blue | 11 | 1992-2002 |
| Mt. Blue | 8 | 2005-2012 |
| Edward Little | 6 | 1967-1972 |
| Yarmouth | 6 | 2007-2012 |
| Madawaska | 5 | 2000-2004 |
| Year | No Classes & A | Class B | Class C | Class D |
| 1958 | Farmington | |||
| 1959 | Farmington | |||
| 1960 | Edward Little | |||
| 1961 | Farmington | |||
| 1962 | Kents Hill | |||
| 1963 | Kents Hill | |||
| 1964 | Rumford | |||
| 1965 | Gould Academy | |||
| 1967 | Edward Little | |||
| 1968 | Edward Little | |||
| 1969 | Edward Little | |||
| Class A | ||||
| 1970 | Edward Little | Oxford Hills | ||
| 1971 | Edward Little | Fort Kent | ||
| 1972 | Edward Little | Jay | ||
| 1973 | Gould Academy | Lake Region | Madawaska | |
| 1974 | Rumford | Telstar | Madawaska | Valley |
| 1975 | Rumford | Oxford Hills | Camden-Rockport | Valley |
| 1976 | Gould | Fryeburg | Camden-Rockport | Fort Fairfield |
| 1977 | Mount Blue | Oxford Hills | Fort Fairfield | |
| 1978 | Mount Blue | Lewiston | Hebron | |
| 1979 | Edward Little | Livermore | Hebron | |
| 1980 | Edward Little | Madawaska | Fort Fairfield | |
| 1981 | Edward Little | Camden-Rockport | Mount Abram | |
| 1982 | Fryeburg | Mount Abram | ||
| 1983 | Edward Little | Hampden Academy | ||
| 1984 | Edward Little | Yarmouth | ||
| 1985 | Fryeburg | Livermore Falls | ||
| 1986 | Fort Kent | Yarmouth | ||
| 1987 | Fryeburg | Yarmouth | ||
| 1988 | Mount Blue | Yarmouth | ||
| 1989 | Fort Kent | Maranacook | ||
| 1990 | Edward Little | Lake Region | Madawaska | |
| 1991 | Fort Kent | Maranacook | Madawaska/Mt. Abram – Tie | |
| 1992 | Mt. Blue | Maranacook | Madawaska | |
| 1993 | Mt. Blue | Camden-Rockport | Jay | |
| 1994 | Mt. Blue | Camden-Rockport | Madawaska | |
| 1995 | Mt. Blue | Leavitt | Madawaska | |
| 1996 | Mt. Blue | Maranacook | Madawaska | |
| 1997 | Mt. Blue | Leavitt | Madawaska | |
| 1998 | Mt. Blue | Maranacook | Yarmouth | |
| 1999 | Mt. Blue | Lake Region | Yarmouth | |
| 2000 | Mt. Blue | Yarmouth | Madawaska | |
| 2001 | Mt. Blue | Fryeburg | Madawaska | |
| 2002 | Mt. Blue | Fryeburg | Madawaska | |
| 2003 | Leavitt | Yarmouth | Madawaska | |
| 2004 | Edward Little | Yarmouth | Madawaska | |
| 2005 | Mt. Blue | Maranacook | Freeport | |
| 2006 | Mt. Blue | Maranacook | Freeport | |
| 2007 | Mt. Blue | Yarmouth | Fort Kent | |
| 2008 | Mt. Blue | Yarmouth | Freeport | |
| 2009 | Mt. Blue | Yarmouth | Fort Kent | |
| 2010 | Mt. Blue | Yarmouth | Fort Kent | |
| 2011 | Mt. Blue | Yarmouth | Fort Kent | |
| 2012 | Mt. Blue | Yarmouth | Freeport | |
| 2013 | Oxford Hills | Yarmouth | Freeport | |
| 2014 | Falmouth | Yarmouth | Fort Kent | |
| 2015 | Falmouth | Yarmouth | Fort Kent | |
| 2016A | Falmouth | Fort Kent | ||
| 2016N | Mt. Blue | Yarmouth | Coast Waldorf | |
| 2017A | Camden | Spruce Mountain | ||
| 2017N | Mt. Blue | Maranacook | Coast Waldorf | |
A=Alpine; N=Nordic
Source: Maine Principals Association