- MHS alumni Facebook group
- MHS Bands alumni Facebook group
- Class of 1958 website
- Class of 1965 Facebook page
- Class of 1966 Facebook page
- Class of 1970 Facebook group
- Classes of 1976 and 1977 Facebook group
- Class of 1988 Facebook group
- Class of 1997 Facebook group
- Class of 1999 Facebook group
- Class of 2009 Facebook page
- Class of 2013 Facebook group