Stratford Language Welcome to
The Leading
ESL Program
In the D.C. Area



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Study English in the USA

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Our English program includes the most important skills that students need to learn in order to effectively participate in university, work, and daily life. 

Our Teaching Methodology

We believe in preparing students for the real world. Students at SLI learn how to live in an English-speaking world, understand others, and make themselves understood. We use the Communicative Approach to create realistic situations that expose students to authentic English.

  • SLI continues to grow even through the COVID pandemic. Why? Because we offer amazing quality programs with a solid reputation to provide you with the best experience possible.
  • Social media is an excellent way to connect with your classmates and meet new friends. We are now on Instagram! Follow us at stratfordlanguageinstitute!


Stratford Language Programs

We provide an Intensive English Program from Mondays through Thursdays year-round. Our General English Program is a concentrated curriculum including IELTS Test Preparation, TOEFL Test Preparation, Business English I & II, and Academic Reading and Writing.
10-Week Intensive ESL Program
10-Week Business Eng Courses
5-Week TOEFL/IELTS Prep Courses
10-Week Pathway Course
We can teach you how to Master the English Language

Our Promise To You:

An excellent, high-quality program with the best available tools to achieve your personal, academic, or professional objectives. The classes at SLI are comprised of many activities including projects, research, presentations, and field trips that will enrich your understanding of the U.S. culture and help you to expand your ideas

  • Enrollment Flexibility
  • Modern Teaching Methods
  • Diversity
  • Qualified Instructors

Why Choose Stratford Language Institute

SLI is accredited by the Commission on English Language program Accreditation (CEA).

Our school is located 15 minutes away from the Nation's Capital - Washington D.C

We offer a variety of quality programs for competitive pricing that fit your budget.

Our teachers have a minimum of a Master’s Degree in TESOL or equivalent.

Admissions- How To Apply

Admissions- How To Apply

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Activities- Students Life

Activities- Students Life

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Tuition & Fees

Tuition & Fees

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We strive to provide ALL of our students with practical and quality English training.

International Students Information Video

SLI programs are designed to help students from all over the world improve their English language skills in reading, writing, grammar, listening, and speaking.

+1 571-699-3203 ext. 4203

INTERESTED IN Stratford Language Institute?



Summer field trip to Dave & Buster’s- Expired

12:00 pm - 3:00 pmDave and Buster’s Springfield

Pumpkin Patch Field Trip- Expired

10:00 am - 10:00 amReston Farm Market

Celebrating Thanksgiving- Expired

11:00 am - 2:00 pmSLI CAMPUS

We’re Always Happy
To Hear
From You

Stories and experiences from our students from all over the world.

What our Students Say - Testimonials

  • Studying at SLI was an amazing experience for me. In addition to learning about English, I had the opportunity to meet different people from different countries and cultures. It was very worth it and I really enjoyed the classes. I certainly recommend this school.

    Abdessamad B