Barrios de Missouri W
- Waldo (33)
- Walnut Park (2)
- Walnut Street (16)
- Washington Weatley (5)
- Waterfield (1)
- Weatherstone (1)
- Wedgewood Green (4)
- Wells (1)
- Wendell Phillips (3)
- West Blue Valley (5)
- West Central (41)
- West End St Louis (9)
- West Plaza (30)
- West Springfield (34)
- Western 49-63 (6)
- Western Blue Township (2)
- Western Hills (6)
- Westside North (18)
- Westside South (5)
- Westwood (1)
- White Oak (4)
- Willow Creek (7)
- Winnetonka (8)
- Winnwood (7)
- Woodland Heights (14)
- Woods Chapel Acres (4)
- Woodson Estates (4)
- Wydown Skinker (3)