Welcome to ISI

Founded in 2001, ISI is one of Dublin’s leading English language schools. The school offers a range of adult and junior English language courses, professional diplomas and opportunities to study in some of Ireland’s best High Schools. We welcome thousands of students each year, from all over the world. In these pages you will find all the information you require about our facilities, our courses and our services.
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Adult English Courses

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Junior English Courses

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High School in Ireland

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Professional Courses


 What our students say… 

“The school gave me a lot of experience, friends. It isn’t just about English but about different cultures.
I’m really glad that I was here.”Tana Krutilkova, Czech Republic
“I would recommend ISI to anyone who wants to feel comfortable reading, writing and speaking English.
I enjoy the class discussions that are good practise and the teachers make it fun.”Felipe Mappa Rocha, Brazil
“Dublin is a really fun place to live; I really enjoyed. The staff in the school were really friendly and my teachers were very good.
I would recommend ISI to my friends and would love to come back to Ireland again!”Pauline Dupont, Belgium


Accreditations and Memberships

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At ISI you can be sure that your course of study is fully accredited by internationally-recognised professional bodies. English language programmes for adults and teenagers at our English language schools in Dublin are recognized by the National Qualifications Authority of Ireland (now the QQI). We are also an approved preparatory centre for the Cambridge examinations suite and for TIE (Test of Interactive English). Our Professional Diplomas are accredited by Edexcel (Pearson’s Education Group) one of the most prestigious UK awarding bodies. ISI is a member of MEI, ALTO and ICOS.