1. grammar school a school for young children; usually the first 6 or 8 grades
  2. regularisation the act of bringing to uniformity; making regular
  3. regular hexagon a hexagon with six sides of equal length
  4. religious school a school run by a religious body
  5. regularization the act of bringing to uniformity; making regular
  6. parochial school a private religious school run by a church or parish
  7. Richter scale a logarithmic scale of 1 to 10 formerly used to express the magnitude of an earthquake on the basis of the size of seismograph oscillations
  8. regularise make regular or more regular
  9. secondary school a school for students intermediate between elementary school and college; usually grades 9 to 12
  10. regularly in a regular manner
  11. regular polygon a polygon with all sides and all angles equal
  12. regularize make regular or more regular
  13. Reaumur scale a temperature scale on which water freezes at 0 degrees and boils at 80 degrees
  14. medical school a graduate school offering study leading to a medical degree
  15. reform school correctional institution for the detention and discipline and training of young or first offenders
  16. grad school a school in a university offering study leading to degrees beyond the bachelor's degree
  17. color scheme a planned combination of colors
  18. Regulus regulus European kinglet with a black-bordered yellow crown patch
  19. graduate school a school in a university offering study leading to degrees beyond the bachelor's degree
  20. law school a graduate school offering study leading to a law degree