Schools/Tokyo/
ISI Shinjuku Prime
Tokyo
·Nishi-Shinjuku
ISI Shinjuku Prime
ISIランゲージスクール新宿校 プライム校舎
8 min from Shinjuku Station
Campus opened in 2026
Top-university class
About the school
ISI Shinjuku Prime is a new ISI campus, opened in April 2026 on the 10th and 11th floors of the Nishi-Shinjuku Prime Square tower, 8 minutes on foot from Shinjuku Station. It offers an academic course with a class for applicants to leading universities, 1,600 places and students from 87 countries.
Founded2026
Students from87 countries
Course length15 months – 2 years
IntakesApr · Jul · Oct · Jan
What makes it different
A new 2026 campus close to Shinjuku Station
ISI Shinjuku Prime opened in April 2026 on the 10th and 11th floors of the 16-storey Nishi-Shinjuku Prime Square tower: 4 minutes on foot from Seibu-Shinjuku Station and 8 minutes from Shinjuku Station. The campus is designed around the idea of “connecting”: an open corridor links the classrooms and shared spaces, so students naturally meet and talk.
University entrance
A class for applicants to leading universities
The campus is aimed above all at students who want to continue their studies in Japan. Besides the class for applicants to prestigious universities, there are electives: graduate-school preparation, EJU and JLPT preparation, job hunting and conversation practice.
New equipment
Classrooms with electronic whiteboards
Bright classrooms with new equipment, a student lounge, and a library with study materials and quiet places to work. You can stay at school before and after lessons to study on your own.
Location
Walking distance from five stations
Seibu-Shinjuku, Okubo, Shinjuku-Nishiguchi and Shinjuku — one of the busiest stations in the world — are all nearby. The area is full of cafés, shops and shopping centres, convenient for both study and everyday life.
International
Students from 87 countries and regions
The average student age is 24 (April 2026). Through the year there are university visits, yukata try-ons, taiko drumming, cooking events, exchange meetings and a graduation ceremony.
ISI Shinjuku Prime (ISIランゲージスクール新宿校 プライム校舎) is one of the campuses of the ISI group, with campuses in Tokyo, Osaka, Kyoto and Nagano. The campus opened in April 2026 on the 10th and 11th floors of the Nishi-Shinjuku Prime Square tower in Nishi-Shinjuku. It has places for 1,600 students; students currently come from 87 countries and regions, and the average age is 24.
The main program is Academic Japanese for students who want to enter a university, graduate school or vocational college. From intermediate level you choose classes that match your goal, including a class for applicants to leading universities. The ISI Shinjuku main building, within walking distance, houses the JUQ prep school, whose courses you can take in addition for a separate fee. The first year at Prime costs ¥1,115,000 — ¥50,000 more than in the main building.
The ISI Shinjuku main building is a separate campus with its own page: a 14-storey building next to Nishi-Shinjuku Station. Prime suits students who want to study in a new building close to Shinjuku Station. We work with all of ISI’s Tokyo campuses, so we can help you compare them and choose the right one.
Programs
Academic Japanese Course
For students planning to enter a Japanese university, graduate school or vocational college, and for anyone who wants balanced progress in all Japanese skills. Academic Japanese from beginner to advanced level, taught entirely in Japanese. From intermediate level you choose electives: the class for applicants to leading universities, graduate-school preparation, EJU and JLPT preparation, job hunting and conversation practice. For an extra fee you can also study at the JUQ prep school in the ISI Shinjuku main building. Fees for 2027/28: first year ¥1,115,000, six months ¥627,500. Whole course: 2 years ¥2,090,000, 1 year 9 months ¥1,846,250, 1 year 6 months ¥1,602,500, 1 year 3 months ¥1,358,750.
Whole course¥1,358,750 – ¥2,090,000
Short-term General Japanese Course
Students who need a short-term visa can get an invitation letter from the school (¥20,000); a minimum enrollment of 8 weeks may be required. Apply early. Fees for 2027: 2 weeks ¥104,750, 3 weeks ¥135,250, 4 weeks ¥165,750, 5 weeks ¥177,500, 6 weeks ¥204,250, 7 weeks ¥231,000, 8 weeks ¥242,750, 9 weeks ¥250,750, 10 weeks ¥273,750, 20 weeks ¥517,500. Private lessons are also available: ¥20,000 arrangement fee, then ¥2,000 to ¥8,000 per 45-minute lesson depending on group size and number of lessons.
Whole course¥104,750 – ¥517,500
Class schedule
The school assigns your shift and class based on the placement test.
First-year costs
Application fee¥40,000
Enrollment fee¥100,000
Tuition, first year¥750,000
Other fees, first year¥225,000
Total, first year¥1,115,000
Whole course, 2 years — ¥2,090,000
Payment terms and extra costs
Scholarships and discounts
JASSO scholarship — ¥30,000 a month
For students on a student visa with at least 90% attendance over the year, high grades and plans to enter a Japanese university.
ISI Principal’s Award for Achievement — ¥50,000
One-off payment. For at least one year of study at ISI schools, excellent grades and attendance, and strong motivation. Awarded four times a year.
ISI Principal’s Award for Attendance — ¥30,000
One-off payment. For students on a student visa with no absences and no late arrivals for a whole year.
Intakes
April Main intake
Academic course, 2 years. Applications close at the end of October of the previous year (end of October 2026 for April 2027), or earlier if places run out.
July Summer intake
Academic course, 1 year 9 months. Apply by the end of February of the same year (end of February 2027 for July 2027).
October Autumn intake
Academic course, 1 year 6 months. Apply by the end of May of the same year (end of May 2027 for October 2027).
January Winter intake
Academic course, 1 year 3 months. Apply by the end of August of the previous year (end of August 2027 for January 2028). By January you need about N5 and should be ready to move quickly to N4.
The school applies for your Certificate of Eligibility; with the visa this takes about 4–6 months. Places are limited — apply early.
Student visa. For a long-term course you study on the Student status of residence: the school applies for your Certificate of Eligibility, then you get the visa at a Japanese embassy or consulate. Student visa for Japan · Which documents do I need?
Working while you study. With permission, up to 28 hours a week: Part-time work for students
Housing
ISI dormitory · women only
International House Musashi-Seki
from ¥55,000 / monthsingle and twin rooms
9 minutes on foot from Musashi-Seki Station on the Seibu-Shinjuku Line — the same line that runs to Seibu-Shinjuku Station, 4 minutes from the campus. Rooms with furniture and appliances; kitchen, dining room and study room. Live-in manager.
ISI dormitory · mixed
International House Toda
from ¥55,000 / monthseparate floors for men and women
5 minutes on foot from Toda Station (JR Saikyo Line) in Toda City, Saitama Prefecture. Kitchen, dining room, lounge, study room and gym; auto-lock entrance, security cameras and a live-in manager.
ISI dormitory · men only
International House Shakujii-Koen
from ¥55,000 / monthsingle and twin rooms
10 minutes on foot from Shakujii-Koen Station, about 10 minutes by express train to Ikebukuro, next to a large park. Furnished rooms with Wi-Fi; shared kitchen, laundry and lounge.
ISI dormitory
International House Shimo
from ¥109,000 / monthsingle rooms only, new building
7 minutes on foot from Shimo Station (Namboku Line) in a quiet, green neighbourhood by the Arakawa River. Meals in the dining hall are available for an extra fee.
Dormitory fees and terms
ISI’s Tokyo dormitories are shared by all Tokyo campuses; the commute to school takes 20–60 minutes. One-off fees: entry fee ¥40,000, equipment fee ¥30,000 and cleaning ¥20,000 (single room) or ¥10,000 (twin room). Rent is paid per term (3 months): the first term costs from ¥245,000 (twin room) to ¥417,000, plus 10% tax. Furniture, appliances, bedding and utilities are included; meals are not. Housing must be paid at least 30 days before move-in. Pickup from Narita or Haneda Airport: from ¥23,000 on the move-in day, from ¥41,000 on other days.
Other options
Short courses: guesthouses, weekly apartments and homestay
For short-course students: guesthouse from ¥106,800 for 4 weeks, weekly apartment from ¥141,500 for 4 weeks, homestay with a Japanese family (breakfast and dinner) from ¥219,000 for 4 weeks. We can help you choose and apply for housing together with your school application.
Photos and videos
Location
Nishi-Shinjuku Prime Square 10F–11F, 7-5-25 Nishi-Shinjuku, Shinjuku-ku, Tokyo 160-0023 — 4 minutes on foot from Seibu-Shinjuku Station, 5 minutes from Okubo Station (JR) and Shinjuku-Nishiguchi Station (Oedo Line), 7 minutes from Shinjuku Station (Marunouchi Line), 8 minutes from Shinjuku Station (JR, Odakyu, Keio)
Questions about ISI Shinjuku Prime
What are the entry requirements?
12 years of school education. Students with 11 years of school can be accepted if they are 18 or older and have a secondary-school certificate. You also need Japanese at JLPT N5 (A1) level, must be under 55 on 1 April 2027 and need proof of funds for your studies. We check your documents before they go to the school.
Can I start with no Japanese at all?
No. The school accepts students from N5 (A1) level. Your level is confirmed by an online test and an interview with a school representative when you apply. Students with no Japanese at all are not accepted.
How much does the first year cost?
¥1,115,000 for the Academic Japanese Course: application fee ¥40,000, enrollment fee ¥100,000, tuition ¥750,000 and other costs ¥225,000 (fees for students starting from April 2027). You can pay every six months — the first six months are ¥627,500. The whole 2-year course is ¥2,090,000.
How is Prime different from the ISI Shinjuku main building?
They are two separate campuses of the same school; the ISI Shinjuku main building has its own page. Prime is the new 2026 campus with 1,600 places in the Nishi-Shinjuku Prime Square tower, closer to Shinjuku and Seibu-Shinjuku stations, with a class for applicants to leading universities. The main building is a 14-storey building next to Nishi-Shinjuku Station and houses the JUQ prep school, which Prime students can walk to (for a separate fee). Tuition at Prime is ¥50,000 a year higher.
Where can I live while studying?
ISI has four dormitories in Tokyo and neighbouring Toda, shared by all Tokyo campuses: a place in a twin room starts at ¥55,000 a month plus tax, single rooms cost more, utilities included. Rent is paid per term, with one-off fees of ¥80,000–¥90,000 the first time. Guesthouses, weekly apartments and homestay are also available.
Can I work while studying?
Yes. On a student visa, with permission, you can work up to 28 hours a week (8 hours a day in school holidays). You can get the permission at the airport when you arrive. Short-term course students cannot work.
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