
James A. Richardson donated the Mozart Shield to the Winnipeg Music Festival in 1929. This shield was originally awarded annually for the most outstanding performance by a Grade 4 Public School Classroom Choir. From 1997 until 2005, this shield was awarded annually for the most outstanding performance by a School Classroom Choir, Creative, Kindergarten to Grade 6. The shield is currently awarded for the most outstanding performance by a School Classroom Choir, Action Songs and Singing Games, Kindergarten to Grade 3.
| Year | Winner | Year | Winner | Year | Winner |
| 1929 | King Edward School | 1956 | Elmwood School | 1985 | Hampstead School |
| 1930 | Greenway School | 1957 | William Osler School | 1986 | Polson School |
| 1931 | Glenwood School | 1958 | Greenway School No. 1 | 1987 | Springfield Heights School |
| 1932 | Luxton School | 1959 | Robert H. Smith School | 1988 | John de Graff School |
| 1933 | Principal Sparling School | 1960 | Queenston School | 1989 | McLeod School |
| 1934 | Dufferin School | 1961 | Greenway School | 1990 | John de Graff School |
| 1935 | Dufferin School | 1962 | Clifton School | 1991 | Lord Wolseley School |
| 1936 | Grosvenor School | 1963 | Robert H. Smith School | 1992 | Salisbury School |
| 1937 | Lansdowne School | 1964 | Queenston School | 1993 | Lord Wolseley School Grade 2 |
| 1938 | Prince Edward School | 1965 | Robertson School | 1994 | Lord Wolseley School Grade 2 |
| 1939 | David Livingstone School | 1966 | Ralph Brown School | 1995 | Emerson School |
| 1940 | Wolseley School | 1967 | Sargent Park School | 1996 | Prince Edward School |
| 1941 | William Whyte School | 1968 | Norquay School | 1997 | McLeod School Grade 3 |
| 1942 | Somerset School | 1969 | Rockwood School | 1998 | Prince Edward School |
| 1943 | William Whyte School | 1970 | Montcalm School | 1999 | no entry |
| 1944 | William Whyte School | 1971 | Lord Selkirk School | 2000 | Prince Edward School - Grade 2 |
| 1945 | Elmwood School | 1972 | Riverview School | 2001 | no entry |
| 1946 | Machray School | 1973 | Lansdowne School | 2002 | Lord Wolseley School Choir K - 6 |
| 1947 | Grosvenor School | 1974 | Donwood School | 2003 | no one eligible |
| 1948 | William Whyte School | 1975 | Lincoln School | 2004 | no entry |
| 1949 | Victoria-Albert School | 1976-1978 | no entries | 2005 | no entry |
| 1950 | La Verendrye School | 1979 | Woodhaven School | 2006 | no entry |
| 1951 | Champlain School | 1980 | Guyot School | 2007 | no entry |
| 1952 | Faraday School | 1981 | Woodhaven School | 2008 | no entry |
| 1953 | Greenway School | 1982 | John de Graff School | 2009 | Athlone Primary Choir Grades 2 & 3 |
| 1954 | Harrow School | 1983 | John de Graff School | 2010 | Balmoral Hall Grades 1-3 Choir |
| 1955 | Ashland School | 1984 | Neil Campbell School | 2011 | Balmoral Hall School Grades 1-3 Choir |