There are no frequencies actually in the database, there are some listed in the comment (Text area) but are not in the database.
They are known to use the Warner Trunked System for Bus communications.
The ones listed are a new license and is unknown if they are in use.
Rockwood School District R6
Serves: Eureka, Glencoe, Clarkson Valley, Wildwood
Lafayette High School (Wildwood)
*FCC Application 0004845223 for 463.3625 Repeater, mobiles on 462.1875, 467.1875, 463.6625, 468.6625, 464.7625, 467.7625, 462.7625 (11K)
Warner Communications - UHF C (St. Louis)
LTR Standard
School Buses