• Scandinavia Chinese Christian Church, a collaboration of Chinese churches/congregations in Scandinavia.
• South Carolina Corps of Cadets, the student body at The Citadel in Charleston, SC.
• Students for Concealed Carry on Campus, a collegiate pro-gun rights organization.

Cricket clubs

• Somerset County Cricket Club
• St Columba's Cricket Club
• Surrey County Cricket Club
• Sussex County Cricket Club

Community colleges

• St. Charles Community College, a a community college in St.Charles Missouri.
• Schenectady County Community College, a community college in Schenectady, New York.
• Seattle Central Community College, a community college in Seattle, Washington.
• Seward County Community College, a community college in Liberal, Kansas.
• Suffolk County Community College, a community college in Suffolk County, New York.
• Sullivan County Community College, a community college in Sullivan County, New York.
• Sussex County Community College, a community college in Sussex County, New Jersey.