English as a Second Language (ESL) is a field of study that focuses on helping non-native English speakers learn the language. It involves teaching language skills such as reading, writing, listening, and speaking, as well as providing cultural context to help students understand and communicate effectively in their new language.

Based on the 1031300 people who completed an IQ test at BRGHT, the average IQ of people who study English As A Second Language is 99.28. With this IQ score, English As A Second Language ranks #234 on the list of studies by average IQ.

It is important to remember that intelligence is complex and multifaceted, and that intelligence tests do not capture all aspects of human cognitive ability. The BRGHT IQ Test measures candidates' logical reasoning, numerical and spatial reasoning skills.