Links to Free Adult ESL Classes:

Exeter Adult ESL classes  https://adulted.sau16.org/en-US/english-as-a-second-language-esl-6fe6451f 

Salem Adult ESL: https://sau57.org/c.php?g=542555&p=7210537 

Derry Adult ESL https://derryadulted.sau10.org/esol 

Online free program to learn English: https://www.usalearns.org/