No spring break should not be capital
No. Seasons are not proper nouns.
Yes, "Spring Break" should be capitalized in a sentence as it is a proper noun referring to a specific event or period of time.
Yes, "Spring 2009" should be capitalized because it is a specific season and year.
Yes, "Spring of 2016" should be capitalized in a sentence as it is a specific time period that is being referenced.
The words "Bandon" and "High School" should be capitalized in the sentence: "We will all be attending Bandon High School this spring."
yes
yes
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The general consensus says "spring break" does not need to be capitalized so the same rules apply to "winter break": it needs no capitalization. Remember, seasons are not capitalized unless they come at the beginning of a sentence. Holidays and months, on the other hand, are considered proper nouns and take a capitalization. "Winter break" is neither a month nor holiday. If "break" were used with a proper noun such as a holiday or month only the proper noun would need capitalization (Christmas break, December break, etc.).
You don't capitalize "spring" when it is used generically to refer to the season ("I love the arrival of spring") rather than as a specific name or proper noun ("I went for a walk in Central Park during Spring").
There is no holiday in spring break
No, "spring" should not be capitalized in the sentence "spring flowers," unless it's at the beginning of a sentence.
Spring Break is built into the school calendar. This is when the Fullerton District scheduled spring break.