6th, or 7th grade to 8th or 9th grade, and high school (9th or 10th to 12th grade). The middle school format is increasingly common in which the elementary school contains kindergarten or 1st grade to 5th or 6th grade and the middle School contains 6th or 7th and 8th grade. In addition, some elementary schools are splitting into two levels, sometimes in separate buildings: elementary school (usually K-2) and intermediate (3-5). Some middle schools are different.

The K-8 format is also an emerging