Noise-cancelling headphones. Noise-cancelling headphones are headphones that reduce unwanted ambient sounds using active noise control. This is distinct from passive headphones which, if they reduce ambient sounds at all, use techniques such as soundproofing.
English to Speakers of Other Languages (ESOL): The term ESOL is generally used when describing programs outside of a PK-12 setting that are designed for ELLs who seek proficiency in social and academic language; ESOL programs, which may also be referred to as English as a Second Language programs, generally teach basic grammar, vocabulary and ...
The English as a Second Language Program (ESL) is a K-12 program that ensures students who are identified as limited English proficient (LEP) receive the assistance needed to reach high levels of English proficiency so that they can successfully access and benefit from the total school program.