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Your English Learning Adventure is Waiting for You!

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ICLS provides in-person and online English courses for professionals and students in goal-oriented and individually-focused classes.

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"The private classes allowed me to improve my pronunciation very fast. The professor was very professional and kind. His classes were very well prepared, he always brought up good and challenging topics to discuss.”

One-on-one private class student

“Here at ICLS I had the best English teacher I’ve ever had, honestly. Besides actually caring for the student, he always takes the time to get a ppt ready and suggests more activities to help the student. A+++++. ”

Small group student

“Since the very first day, I realized that ICLS was a great decision to enhance my career.”

HILT Student

Key Benefits

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Great Location and Facilities

Classes take place in downtown D.C. and are close to McPherson Square and Farragut North Metro stations.
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Over 50 Years' Experience

Over 50 years' experience in best practices in the field of teaching English as a Second Language.
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Teachers with Native English Proficiency

Most teachers have a master’s degree in teaching English as a Second Language (TESOL). Most have post-graduate degrees in TESOL or a related field. All are experienced in working with a diverse array of cultures, ages, and language levels.
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Meeting Your Specific Needs

With a variety of programs available, we have one that will fit your specific needs.
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Diverse Student Body

For over 50 years, ICLS has been committed to teaching student-centered and goal-oriented English classes, serving students from five continents and 45 different countries.
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Listen to Our ESL Students' Stories

Meet our team

  • Adam McConnell

    Program Director

    "I love working with international students. I always feel that I learn as much from them as they do from me. International students are often the most well-traveled people you can find and it’s very exciting to learn about their backgrounds, countries, languages, and travels!"

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  • Peyton Harris

    Administrative Coordinator

    "As a student of Arabic myself, I understand rich possibilities in appreciating another culture when learning a language. The teachers at ICLS are top notch and can tailor their approach to students' needs and interests. "

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