A 30-second introduction
Juku: learning beyond the school timetable
学習塾
Gakushū juku provide supplementary academic teaching outside school. Their work can range from reviewing school lessons to advanced study and entrance-examination preparation. This narrower sense of juku does not include every extracurricular activity.
- Remedial teaching and examination preparation can coexist.
- Group, individual and video lessons describe delivery methods.
- A juku course may follow a different timetable from school.
01
What happens around a lesson
Learning around a lesson
A juku may offer explanations, exercises, homework feedback, practice examinations and information about educational pathways. Some courses reinforce school lessons, while others follow a separate progression towards an examination. Teaching outside school is therefore broader than a last-minute revision session.
A reflection-notebook example
Meiko Gijuku’s published reflection-notebook method gives one concrete sequence. Pupils revisit earlier learning, explain what they have understood to a teacher, and put it into their own written words. They assess their understanding, review it with the teacher and move on to homework planning. Explanation, reflection and the next assignment are connected. This is the provider’s description of its method, not a universal juku routine or independent evidence of its effectiveness.
02
Purpose, teaching format and ownership
Shingaku juku emphasise admission preparation, while hoshū juku focus on supplementary teaching; a provider can combine purposes. Group and individual instruction describe a different distinction. Individual guidance need not mean one teacher working with only one pupil, and video lessons can be accompanied by teacher support. Independent ownership and franchising describe the business rather than the curriculum.
- What is it for?
Admission preparation, school-course support or both.
- How is it taught?
Group, individual or video teaching, sometimes combined.
- Who operates it?
Independent ownership or franchising describes the business.
A single juku can combine one or more choices from each dimension.
03
Growth in the postwar period
Modern juku developed outside the postwar school system, with economic growth and rising household incomes providing conditions for more spending on supplementary education. A first national survey in 1976, a ministry survey in 1985 and a notice in 1987 show attendance becoming a public issue. The 1985 survey recorded 16.5% of elementary pupils and 44.5% of junior-high pupils attending. The 1987 notice addressed school teaching and excessive attendance. These are historical figures, and Edo-period academies and terakoya should not be equated directly with today’s juku.
04
Changing delivery
Teaching combinations
Individual guidance, recorded lessons and electronic learning sit alongside classroom instruction. In a video-based course, pupils can watch explanations while a teacher provides follow-up support. The course’s pace and assignments can serve revision, advanced work or examination preparation.
Remote courses and provider networks
Delivery also changed relationships between providers. A 2004 geography study traced expansion since the 1970s to entrance-examination competition and rising household incomes. By the time of the study, large preparatory schools used satellite lessons to supply courses nationally and connect local providers to their networks, while smaller juku developed individual guidance. Remote teaching therefore changed where a course originated and who supported pupils locally, rather than simply replacing a teacher with a screen.
05
What a cost figure includes
Costs and types of provision
The education ministry’s learning-cost survey separates juku, private tutors, correspondence study and other activities. Its juku category includes enrolment fees, regular tuition, seasonal courses, materials, tests held by the pupil’s juku and travel to the juku. A monthly tuition figure therefore covers only part of what a family may spend. A 2019 education-policy study describes cooperation between juku, schools and municipalities from the 2000s, alongside publicly supported provision and attendance-fee subsidies. These initiatives address the relationship between a family’s ability to pay and educational opportunity; they do not imply identical support in every area.
The Oki Learning Center
Ama Town’s 2015 account of the Oki Learning Center describes a local form of public support. Opened in a rented vacant house in 2010, the center worked with Oki Dōzen High School and the community. In 2015 it moved into a renovated old house near the school, with space for community exchange. This example connects supplementary learning with a school and local residents, showing an arrangement beyond a household simply buying lessons from a private business.
Check your understanding
Are juku only for pupils who are falling behind?
No. Their purposes also include advanced work and admission preparation.
Does individual instruction always mean one-to-one teaching?
No. The actual teacher-to-pupil arrangement depends on the course.
Can a 1985 participation rate describe pupils today?
No. It describes the historical survey population and period.
What connects a lesson to later work in Meiko’s notebook example?
The pupil explains and writes what was understood, then reviews it with the teacher before homework is planned. It is one provider’s method, not a guarantee of results.
Sources and images
- 日本標準産業分類(令和5年[2023年]7月改定) 教育、学習支援業 その他の教育、学習支援業 学習塾 学習塾 | 詳細情報 | 政府統計の総合窓口
- mext.go.jp: Reference on Juku: learning beyond the school timetable
- mext.go.jp: Reference on Juku: learning beyond the school timetable (2)
- j-net21.smrj.go.jp: Reference on Juku: learning beyond the school timetable
- Image licence terms:CC BY-SA 4.0
- 文部科学省 · 学習塾に関する歴史調査
- jstage.jst.go.jp: Reference on Juku: learning beyond the school timetable
- 明光義塾:振り返りノート
- 海士町:隠岐國学習センター(2015)
- 土屋純・岡本耕平:日本における補習教育ビジネスの発展と地理学的課題(2004)
- Juku exterior in Himeji, Hyōgo, photographed by Chacmool, 8 October 2025. CC BY-SA 4.0.


