Highschool is a misspelling of high school. If you're confused whether or not to put a space between "high" and "school", you're not alone. This is a commonly misspelled term.

Highschool vs. High School

Highschool is a misspelling of high school. There should always be a space separating these words, since high school is an open compound word. Other examples of open compound words include cell phone, living room, and full moon. Since high school is not a hyphenated compound word, using a hyphen to write "high-school" is also incorrect.

One way to remember this is that "elementary school" and "middle school" are also open compound words, so it makes sense that "high school" should follow this pattern and also use a space between the words.

Example Sentences Using "High School"

  1. I graduated from high school last year and am now attending college.
  2. High school students often face a lot of academic and social pressures.
  3. In my high school, we had a dedicated science lab for experiments.
  4. She was the captain of the high school basketball team and led them to victory.
  5. High school reunions are a great way to reconnect with old friends.
  6. My high school English teacher inspired me to become a writer.
  7. I have fond memories of my high school prom; it was a magical night.
  8. High school can be a challenging time for teenagers as they navigate adolescence.
  9. The high school principal announced a new initiative to promote community service.
  10. Many students choose to participate in extracurricular activities during high school to broaden their skills and interests.

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References:

Definition of OPEN COMPOUND
a compound whose word components are separated by a space in printing or writing… See the full definition
Definition of HIGH SCHOOL
a school especially in the U.S. usually including grades 9—12 or 10—12… See the full definition