Barrios de Missouri W
- Waldo (19)
- Walnut Park (3)
- Walnut Street (22)
- Washington Weatley (3)
- Waterfield (1)
- Wedgewood Green (3)
- Wendell Phillips (2)
- West Blue Valley (1)
- West Central (40)
- West End St Louis (7)
- West Plaza (25)
- West Springfield (28)
- Western 49-63 (7)
- Western Blue Township (1)
- Western Hills (4)
- Westside North (13)
- Westside South (4)
- Westwood (3)
- White Oak (4)
- Willow Creek (8)
- Winnetonka (3)
- Winnwood (1)
- Woodland Heights (13)
- Woods Chapel Acres (1)
- Woodson Estates (3)
- Woodson Terrace (6)
- Wydown Skinker (2)