What is Isl?
1.
A group of private schools in Massachusetts (The Roxbury Latin School, Thayer Academy, Belmont Hill School, et al.) of which RL is the smallest and most respected.
You go to an ISL school? Hope it's not Nobles.
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2.
An instant messaging acronym meaning "I seriously lol'd."
This came about after
"isl" can be used if someone says something that acually did make you laugh out loud
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3.
The Independant School League
A league of prep schools in N.E. that basically live to make fun of everyone else...ie, all hate public schools in unity, and then each school hates every other school too...a sad circle of false unity spread by lies and false faces, actuality, a group of individuals with temporary allies and enemies...
Milton Academy, of the ISL, played and smoked Nobles in football again...
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4.
Ugh.... a group of prep-schools in New England, surrounding Boston.
"ISL football is a joke. Nobles sucks. Milton needs to get that giraffe out of their ass."