Insights

Small class appeal CISL emphasizes consistently small class sizes with a maximum of eight students, and even smaller cohorts for specialized programs. This positioning can be leveraged to upsell premium English programs and customized executive or academic English offerings to corporate clients seeking high-touch language training for executives and teams.

Global market potential With as diverse a student base as the description implies and junior programs across the U.S., there is opportunity to expand partnerships with international recruiters, study abroad organizations, and corporate learning groups looking for scalable English training solutions for global staff and students.

Flexible enrollment The ability for students to join classes on any Monday and enroll for varying durations creates a sales channel for short-term corporate reskilling programs, continuous language pipelines, and modular language bundles tailored to employee onboarding or project-based language needs.

Tech-enabled marketing Existing tech stack elements such as Mailchimp and web-focused tools indicate potential for enhanced digital outreach, lead nurturing, and program-specific campaigns to target English for business, executive English, and university articulation pathways to broaden enrollment and enterprise partnerships.

Revenue growth signals Reported revenue in the mid-range suggests room for growth through scale-focused partnerships, especially given the school’s North American locations and junior programs; explore collaborations with larger language networks, international education groups, and corporate training buyers to increase contract-based enrollments.

Converse International School of Languages Tech Stack

Converse International School of Languages uses 8 technology products and services including W3 Total Cache, Mailchimp, Emotion, and more. Explore Converse International School of Languages's tech stack below.

  • W3 Total Cache
    Caching
  • Mailchimp
    Email
  • Emotion
    Javascript Frameworks
  • Lightbox
    Javascript Libraries
  • PHP
    Programming Languages
  • Apache
    Web Servers
  • Essential Grid
    Web Tools And Plugins
  • Draftpress HFCM
    Web Tools And Plugins

Converse International School of Languages's Email Address Formats

Converse International School of Languages uses at least 1 format(s):
Converse International School of Languages Email FormatsExamplePercentage
First.L@cisl.eduJohn.D@cisl.edu
66%
Last@cisl.eduDoe@cisl.edu
29%
First@cisl.eduJohn@cisl.edu
2%
FLast@cisl.eduJDoe@cisl.edu
3%

Frequently Asked Questions

Where is Converse International School of Languages's headquarters located?

Minus sign iconPlus sign icon
Converse International School of Languages's main headquarters is located at San Diego, California United States. The company has employees across 5 continents, including North AmericaEuropeAsia.

What is Converse International School of Languages's phone number?

Minus sign iconPlus sign icon
You can contact Converse International School of Languages's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Converse International School of Languages's official website and social media links?

Minus sign iconPlus sign icon
Converse International School of Languages's official website is cisl.edu and has social profiles on LinkedIn.

What is Converse International School of Languages's NAICS code?

Minus sign iconPlus sign icon
Converse International School of Languages's NAICS code is 6113 - Colleges, Universities, and Professional Schools.

How many employees does Converse International School of Languages have currently?

Minus sign iconPlus sign icon
As of May 2026, Converse International School of Languages has approximately 29 employees across 5 continents, including North AmericaEuropeAsia. Key team members include Director General: R. V.General Director: J. A.Teacher: C. L.. Explore Converse International School of Languages's employee directory with LeadIQ.

What industry does Converse International School of Languages belong to?

Minus sign iconPlus sign icon
Converse International School of Languages operates in the Higher Education industry.

What technology does Converse International School of Languages use?

Minus sign iconPlus sign icon
Converse International School of Languages's tech stack includes W3 Total CacheMailchimpEmotionLightboxPHPApacheEssential GridDraftpress HFCM.

What is Converse International School of Languages's email format?

Minus sign iconPlus sign icon
Converse International School of Languages's email format typically follows the pattern of First.L@cisl.edu. Find more Converse International School of Languages email formats with LeadIQ.

When was Converse International School of Languages founded?

Minus sign iconPlus sign icon
Converse International School of Languages was founded in 1972.

Converse International School of Languages

Higher EducationCalifornia, United States11-50 Employees

Converse International School of Languages (CISL) is a higher education institution based in San Diego, California, United States, that provides English language instruction. Founded in 1972, CISL runs two adult campuses—San Francisco and San Diego—and offers a variety of English courses, including academic English and business English. The organization also administers junior programs across the United States for students aged 13–17. Small class sizes are a core feature, with most classes capped at eight students and some programs limited to four. The entity employs 11–50 people and maintains a website at https://cisl.edu, with reported annual revenue in the range of $25 million to $50 million.

Section iconCompany Overview

Headquarters
San Diego, California United States
Phone number
Website
cisl.edu
NAICS Code
6113 - Colleges, Universities, and Professional Schools
Founded
1972
Employees
11-50

Section iconFunding & Financials

  • $25M$50M

    Converse International School of Languages's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    Converse International School of Languages's revenue is estimated to be in the range of $25M$50M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.