simple past tense and past participle of set (meaning to divide students into different ability groups)

A young plant fit for setting out; a slip; shoot. / A rudimentary fruit. / The setting of the sun or other luminary; (by extension) the close of the day.

(UK, education) To divide a class group in a subject according to ability

Fixed in position. / Rigid, solidified. / Ready, prepared. / Intent, determined (to do something). / Prearranged. / Fixed in one’s opinion. / (of hair) Fixed in a certain style.

(transitive) To put (something) down, to rest. / (transitive) To attach or affix (something) to something else, or in or upon a certain place.

that disappears below the horizon

The time, place and circumstance in which something (such as a story or picture) is set; context; scenario. / The act of setting.

present participle of set

Third-person singular simple present indicative form of set

plural of set / (informal) Set theory.