"enter the middle school" is correct and usable in written English.
You can use it when referring to someone entering a middle school. For example: "The child was eager to enter the middle school and learn more challenging lessons."
She entered the middle school of the Beijing Dance Academy at age 11.
It was quite the depressing Christmas.- Stephanie Young When I was in eighth grade, rolly backpacks began entering the middle school scene.
About 100 new students entered the high school this year, she said, with about 30 to 50 entering the middle school, above last year's enrollment.
There are a large number of technical and vocational schools, which may be entered after completion of the middle school level.
Six years earlier, in 1999, the first group of students to enter KIPP Academy middle school, which Levin founded and ran in the South Bronx, triumphed on the eighth-grade citywide achievement test, graduating with the highest scores in the Bronx and the fifth-highest in all of New York City.
After the children enter middle school, researchers assess how their behavior compares with a control group, using a range of measures that will include reports from teachers.
A few months after landing in the United States, still unable to form complete sentences in English, I decided to enter our middle school's spelling bee.
If you can, try to join a community team before you enter the world of middle school sports, where things such as a social status become based off of how you play.
In 2010, as their oldest daughter was ready to enter middle school, the Sterns did as many of their friends and neighbors did: they moved to a better school district, in their case, Pelham.
Researchers from the University of Missouri found in July that boys' classroom behavior can actually work in their favor by the time they enter middle school: Their impulsive approach -- calling out answers in class, for example -- eventually proved to yield more correct answers.
