As budgets get cut and enrollment goes down, more and more smaller schools in Oregon are combining grades, especially the rural schools and the school districts that only had three schools to begin with.
Traditionally in Oregon, like many places in the U.S., the schools are: Elementary--K-5 (or 6), Junior High School--7-9 or Middle School--6-8, and High School--9 (or 10)-12.
I've seen more and more elementary/middle and middle/high combinations. In some places there is a single school that is K-12, and the name often gets changed to "__________ School", I've also seen districts where the Middle and High School grades are combined but it was still just called a high school. Others are called "___________ Jr./Sr. High School" or some variation.
I don't know the history of Skyline or how long it has been K-8, but being a somewhat rural (read: suburban) school despite being in the largest school district in Oregon, it may have always been that way, or the name may be a relic from when there was also a jr. high/middle school in the area.
Source: My hours of work researching, correcting and writing articles about Oregon schools and school districts for Wikipedia.
ETA: This article is horribly out-of-date, but it looks like Skyline was K-5 fairly recently: http://en.wikipedia.org/wiki/Portland_Public_Schools_(Oregon)
Traditionally in Oregon, like many places in the U.S., the schools are: Elementary--K-5 (or 6), Junior High School--7-9 or Middle School--6-8, and High School--9 (or 10)-12.
I've seen more and more elementary/middle and middle/high combinations. In some places there is a single school that is K-12, and the name often gets changed to "__________ School", I've also seen districts where the Middle and High School grades are combined but it was still just called a high school. Others are called "___________ Jr./Sr. High School" or some variation.
I don't know the history of Skyline or how long it has been K-8, but being a somewhat rural (read: suburban) school despite being in the largest school district in Oregon, it may have always been that way, or the name may be a relic from when there was also a jr. high/middle school in the area.
Source: My hours of work researching, correcting and writing articles about Oregon schools and school districts for Wikipedia.
ETA: This article is horribly out-of-date, but it looks like Skyline was K-5 fairly recently: http://en.wikipedia.org/wiki/Portland_Public_Schools_(Oregon)