CISL San Diego named 2017 Best English School in North America by Japan's Ryugaku Journal

Quality English Language Schools
in San Diego and San Francisco


The mission of Converse International School of Languages (CISL) is to help our clients learn to communicate effectively
and with confidence in English.

With over 45 years of experience, Converse International School of Languages (CISL) is internationally recognized as a leader in effective language training. CISL’s locations in San Diego and San Francisco, California, offer programs and courses in English as a Second Language (ESL), including TOEFL, Cambridge English, and IELTS exam preparatory courses.

CISL is one of the only language schools in North America to guarantee a maximum of 8 students per class, providing every student with more speaking time and instructor attention than larger classes. In addition to improving their English language skills, CISL students have the opportunity to learn about other cultures in our diverse classrooms. Click here to view our nationality mix.

CISL language schools provide challenging and interesting classes designed to help students achieve their goals as quickly as possible. CISL instructors are trained to provide students with lessons catered to their personal, professional, and academic needs so they can begin communicating effectively and with confidence!

CISL students do more than just learn English. Students learn about different cultures and how to communicate with people from those cultures so that they can use English to connect with people from all over the world. Students can also experience many things in and around San Francisco and San Diego through the schools’ activity programs. School activities include things like visiting museums, wine tasting, rock climbing, and other fun things that help students to make new friends and use English in different situations.

Adult English School Locations

San Diego

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San Francisco


Junior Program Locations

Program Overview



UC Berkeley

uc berkeley english camp

LMU Los Angeles

University of San Diego

usd san diego english camp

San Diego Homestay

San Francisco Residential


English Courses

Standard English

Morning English classes
(20 lessons/wk)

Intensive English

Morning & afternoon English classes (28 lessons/wk)

Business English

English for international business

ielts prep california

TOEFL Preparation

Morning English classes
(20 lessons/wk)

Cambridge English

 FCE & CAE Exam Prep. Authorised Testing Centres.

Junior Programs

Residential & Homestay programs for international teens (13-17 yrs)

toefl prep california

IELTS Preparation

Morning English classes
(20 lessons/wk)

Premier English

English classes for executives and professionals

Career English

 Practice your English in a workplace environment


English courses for degree-track students

Berkeley Community College 300

Academic Year

Gap year in California

private english lessons california

Private Lessons

Morning & Afternoon

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cambridge bnw
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