This fact sheet on English-as-a-Second-Language (ESL) instruction provides brief explanations of the following: the meaning of the terms ESL and ESOL (English for Speakers of Other Languages); student motivation for taking ESL classes; how long it takes to learn English; ESL adult enrollment rates; ESL program design options; general methods and approach used for ESL instruction; the teacher's language competency needs; some current salient issues in ESL instruction; and how to obtain more information about the field. (MSE) (MSE) (Adjunct ERIC Clearinghouse on Literacy Education)