International Language Institute • Washington, DC • Established 1970
Language School in Washington, DC Since 1970
Study in Washington, DC or join live online classes from anywhere. For more than 50 years, ILI has provided instructor-led English and foreign language education to students, professionals and organizations in the United States and around the world.
Language education built around real people and real interaction
For more than five decades, ILI has helped international students, professionals, government and organizational clients, and adult language learners reach practical language goals.
- Live instructors
- Small, interactive classes
- Washington, DC and online options
- ACCET-accredited institution
Find the program that fits your goal
English Programs
Intensive, semi-intensive and private English instruction, including programs for international students.
Foreign Language Classes
Live group classes and private instruction in a wide range of languages for personal and professional goals.
TOEFL Preparation
Instructor-led preparation focused on the English and test skills needed for the TOEFL.
TESOL/TEFL Certificate
Practical teacher training for people preparing to teach English in the United States or abroad.
Choose Your Language
Join a live group class with an experienced instructor. Explore current classes, levels and schedules.
In Washington, DC or Live Online
ILI’s live, instructor-led classes give students the flexibility to participate in person or online. Many classes use a hybrid format, allowing students to learn together in the classroom and remotely—and giving in-person students the flexibility to join online when travel, illness or other circumstances make it difficult to come to class.
Language learning goes beyond the classroom
Connect language study with selected cultural programs, embassy events and international organizations in the Washington area.
Learning for individuals and organizations
Private Language Lessons
Customized instruction built around your level, schedule and goals.
Corporate & Government Training
Customized language training for companies, government agencies and organizations.
Study English in Washington
Learn about the ILI Intensive English Program and information for prospective F-1 students.
Ready to start?
Tell us what you want to learn and our staff will help you identify the right program.