Net Sales
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FY2024
66.71billion JPY
Successful applicants
Successful applicants in 2025
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The University of Tokyo
804Z-kai students
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Kyoto University
686Z-kai students
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WASEDA University
1,595Z-kai students
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Keio University
1,023Z-kai students
Number of Z-kai Students, Schools, Offices
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Number of Z-kai Students＊1
271,471students
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Number of Z-kai Schools＊2
821schools
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Number of Offices＊2
61offices
＊1The total number of students who used our correspondence education services and those who used other services, in 2024.
＊2as of Mar.2025
Number of Employees＊3
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Full-time employees
2,763
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Number of Employees
14,621
＊3as of Mar. 2025