grade vs prep school

grade

noun
  • A level of primary and secondary education. 

  • A slope (up or down) of a roadway or other passage 

  • Performance on a test or other evaluation(s), expressed by a number, letter, or other symbol; a score. 

  • An area that has been flattened by a grader (construction machine). 

  • In a linear system of divisors on an n-dimensional variety, the number of free intersection points of n generic divisors. 

  • A harsh scraping or cutting; a grating. 

  • A rating. 

  • A taxon united by a level of morphological or physiological complexity that is not a clade. 

  • A degree or level of something; a position within a scale; a degree of quality. 

  • A gradian. 

  • An eyeglass prescription. 

  • The degree of malignity of a tumor expressed on a scale. 

  • Degree (any of the three stages (positive, comparative, superlative) in the comparison of an adjective or an adverb). 

  • The level of the ground. 

  • A student of a particular grade (used with the grade level). 

verb
  • To describe, modify or inflect so as to classify as to degree. 

  • To pass imperceptibly from one grade into another. 

  • To pass from one school grade into the next. 

  • To assign scores to the components of an academic test, or to overall academic performance. 

  • To flatten, level, or smooth a large surface, especially with a grader. 

  • To remove or trim part of a seam allowance from a finished seam so as to reduce bulk and make the finished piece more even when turned right side out. 

  • To apply classifying labels to data (typically by a manual rather than automatic process). 

  • To organize in grades. 

prep school

noun
  • A private or public school intended to prepare its students to get into prestigious universities. 

  • A private primary school which prepares its pupils for the common entrance examination most commonly at the age of thirteen, and subsequent entry into public school. 

How often have the words grade and prep school occurred in a corpus of books? (source: Google Ngram Viewer )