Six-year-old twins Charlie and Ryan Johnston and teachers and staff at Swan River School wave to passing truck drivers as they honk their horn at the Cinco de Mayo Parade outside the school in Bigfork on Tuesday. (Casey Kreider/Daily Inter Lake)

Sherry Bradstreet, a second-grade teacher at Swan River School in Bigfork, holds a sign and waves to students with other teachers and staff during a Cinco de Mayo Parade held outside the school on Tuesday. (Casey Kreider/Daily Inter Lake)

Swan River School teachers and staff wave to students and parents during a Cinco de Mayo Parade outside the school in Bigfork on Tuesday. (Casey Kreider/Daily Inter Lake)

From left, first-grade teacher Christina Brevik, second-grade teacher Sherry Bradstreet and third-grade teacher Kate Butts wave and hold signs for students during a Cinco de Mayo Parade outside Swan River School in Bigfork on Tuesday. (Casey Kreider/Daily Inter Lake)

Six-year-old twins Ryan, left, and Charlie Johnston have their picture taken with their kindergarten teacher Sue Stephens during a Cinco de Mayo Parade outside Swan River School in Bigfork on Tuesday. At right is Ryan and Charlie’s mother, Kim. (Casey Kreider/Daily Inter Lake)

Second-grade teacher Sherry Bradstreet receives a decorative drawing from a student during a Cinco de Mayo Parade outside Swan River School in Bigfork on Tuesday. (Casey Kreider/Daily Inter Lake)

Shelly Emslie, a fifth-grade teacher at Swan River School in Bigfork, holds a sign as she speaks with a parent during a Cinco de Mayo Parade for teachers, students and staff held outside the school on Tuesday. (Casey Kreider/Daily Inter Lake)

Kindergarten teacher Sue Stephens greets a student and parent during a Cinco de Mayo Parade for teachers, students and staff outside Swan River School in Bigfork on Tuesday. (Casey Kreider/Daily Inter Lake)

Second-grade teacher Sherry Bradstreet, left, and third-grade teacher Kate Butts wave and hold signs for students during a Cinco de Mayo Parade outside Swan River School in Bigfork on Tuesday. (Casey Kreider/Daily Inter Lake)

Leyna Marcus, a kindergartener at Swan River School, holds a sign during a Cinco de Mayo Parade for teachers, students and staff outside the school in Bigfork on Tuesday. (Casey Kreider/Daily Inter Lake)