株式会社増進会ホールディングス News Releases

Z-kai: Announcement of Recruitment for the 2027 Z-kai Scholarship (Grant-type Scholarship)

Z-kai will begin recruiting students for the "Z-kai Scholarship," a non-repayable grant, starting Ap… · 2026-04-01

[Z Kai Correspondence Education] Junior High School Entrance Exam Course 6th Grade Special Program "Summer Training" Campaign Launched! Sign up during the period and receive special gifts to help with your studies from summer towards the most difficult junior high school entrance exams [Limited Time]

Z Kai Co., Ltd., a group company of Masuho Holdings, Inc. (Z Kai Group), is holding a "Summer Traini… · 2026-07-07

[Z-kai] Announcement of "Z-kai Superb Questions Plus 7: Time Travel Edition" National High School Competition Supervised by Z-kai

Z-kai Co., Ltd. (Representative Director and President: Takao Fujii), a group company of Masu-kai Ho… · 2026-07-07

[Z-kai Inventive School] Summer Special Programs to Foster Inventive Intellect and Sensitivity for Preschoolers and Elementary School Students to be Held in July and August!

Z-kai Inventive School, an educational facility operated by Z-kai Holdings, Inc. (Z-kai Group) withi… · 2026-06-30

[Z-kai] "Sokudoku Eitango" Series Now Available as Furusato Nozei Donation Gifts in Mishima City, Shizuoka Prefecture

Z-kai Inc. (Location: Mishima City, Shizuoka Prefecture, President: Takao Fujii), a group company of… · 2026-07-01

[Z-kai Classroom] Information Request Campaign for 1st and 2nd Year High School Students to be Held for a Limited Time from June 29 (Mon) to August 8 (Sat)!

Z-kai Educe Co., Ltd., a group company of Masu-Zoh-Kai Holdings, Inc. (Z-kai Group), will hold an in… · 2026-07-01

Z-Kai Juku Launches Limited-Time Brochure Request Campaign for Elementary and Junior High School Students from July 1 (Wed) to August 14 (Fri), 2026

Z-Kai Educe, a subsidiary of Z-Kai Holdings (Z-Kai Group), is running a brochure request campaign fo… · 2026-07-03

[Z-kai Correspondence Education] Request Course Materials for Elementary School Students and Receive a Free "Review + Alpha Drill" and Clear File Set for Summer Learning!

Z-kai Inc., a group company of Masu-kai Holdings Inc. (Z-kai Group), is holding a campaign for reque… · 2026-07-07

EIKOH LiNKSTUDY Hosts 'Summer Course Kick-off' for 1st-3rd Graders on July 11

EIKOH LiNKSTUDY, an online tutoring school operated by Eikoh Co., Ltd. (part of the Z-kai Group), wi… · 2026-05-15

Eikoh Seminar Nakano School to Hold Diagnostic Test for Oin and Joshi Gakuin Junior High Applicants

Eikoh Co., Ltd., a group company of Zoshinkai Holdings Inc. (Z-kai Group), will hold the “Oin and Jo… · 2026-05-14

Z-kai Inventive School within Toyota Woven City Opens Elementary School and After-School Program for Elementary School Students on April 1st

Z-kai Group is launching an Elementary School and an After-School program on April 1, 2026, within T… · 2026-04-01

【Shane English School】Nishinomiya Kitaguchi School Grand Opening on April 1st!

Shane English School, operated by Shane Corporation (a Z-kai Group company), has opened a new school… · 2026-04-01

Z-Kai Programming Series Summer Enrollment Campaign Now Underway!

Z-Kai is running a summer enrollment campaign from June 12 to July 31, 2026. Enrolling in eligible p… · 2026-06-18

Eikou Seminar Yamashina Branch to Reopen in May 2026 After Renovation

Eikou Seminar (a Z-Kai Group company) has reopened its Yamashina branch in Kyoto in May 2026 after a… · 2026-06-18

[ISS Ryugaku Life] Study Abroad Fair to be Held in Osaka on May 10 (Sun), Nagoya on May 16 (Sat), and Tokyo on May 17 (Sun)! Reservations Now Open

ISS Ryugaku Life will host study abroad fairs in Osaka, Nagoya, and Tokyo in May 2026. These free ev… · 2026-04-09

[ISS Ryugaku Life] Study Abroad Fair to be Held in Osaka on May 10 (Sun), Nagoya on May 16 (Sat), and Tokyo on May 17 (Sun)! Reservations Now Open

ISS Ryugaku Life will host study abroad fairs in Osaka, Nagoya, and Tokyo in May 2026. These free ev… · 2026-04-09

Z-kai Inventive School within Toyota Woven City Opens Elementary School and After-School Program for Elementary School Students on April 1st

Z-kai Group is launching an Elementary School and an After-School program on April 1, 2026, within T… · 2026-04-01

【Shane English School】Nishinomiya Kitaguchi School Grand Opening on April 1st!

Shane English School, operated by Shane Corporation (a Z-kai Group company), has opened a new school… · 2026-04-01

Z-Kai Classroom Launches Limited-Time Information Request Campaign for Junior High Students (May 18 – June 30)

Z-Kai Educe Co., Ltd. is holding an information request campaign for junior high school students and… · 2026-05-21

【Shane English School】Nishinomiya Kitaguchi School Grand Opening on April 1st!

Shane English School, operated by Shane Corporation (a Z-kai Group company), has opened a new school… · 2026-04-01

Z-kai Inventive School within Toyota Woven City Opens Elementary School and After-School Program for Elementary School Students on April 1st

Z-kai Group is launching an Elementary School and an After-School program on April 1, 2026, within T… · 2026-04-01

Z-kai: Tsukuba University附属駒場 Junior High School 2026 Entrance Exam Analyzed! Math Analysis Article Including Alternative Solution Explanations Published on "Z-kai Exam Information Navi".

Z-kai has released an in-depth analysis of the 2026 entrance exam for Tsukuba University附属駒場 Junior … · 2026-04-09

Shane English School Opens Registration for Kids Summer School for Preschoolers to Elementary Students!

Shane English School, operated by Shane Corporation, is hosting a 'Kids Summer School' for preschool… · 2026-05-22

Eiko Seminar and Daigaku Juken Navio to Open New Campuses at JR Oyama Station in July 2026

Eiko Inc. will open a relocated 'Eiko Seminar Oyama' and a new 'Daigaku Juken Navio Oyama' on the 1s… · 2026-05-25

Z-kai Programming Series Offers Free Original Workbook & Information Booklet for Material Requests

Z-kai is running a promotional campaign from May 1 to July 30, 2026, offering free educational bookl… · 2026-05-26

[Z-kai x Eikoh] Free 'National Open Proficiency Test' for Elementary 4th to Middle 2nd Graders in June 2026

Eikoh Seminar will host a free, fully descriptive 'National Open Proficiency Test' created by Z-kai … · 2026-06-03

[EIKOH LiNKSTUDY] "Recommendation & Comprehensive Selection Prep Seminar" for High School Students to be Held Online on July 18th & 19th

Online preparatory school "EIKOH LiNKSTUDY" will hold a "Recommendation & Comprehensive Selection Pr… · 2026-06-04

[ISS Ryugaku Life] Study Abroad Fair to be Held in Osaka on May 10 (Sun), Nagoya on May 16 (Sat), and Tokyo on May 17 (Sun)! Reservations Now Open

ISS Ryugaku Life will host study abroad fairs in Osaka, Nagoya, and Tokyo in May 2026. These free ev… · 2026-04-09

Z-Kai Offers Free Booklet: '7 Secrets for Top Junior High Schools'

Z-Kai is offering a free booklet, '7 Secrets for Top Junior High Schools', to parents of 4th to 6th … · 2026-06-05

Eikoh Seminar to Host Free Mock Test for Difficult High Schools on June 28, 2026

Eikoh Seminar will host a free mock test, 'Difficult High School Open Test,' for 3rd-year JHS studen… · 2026-06-05

[Z-kai Classroom] Junior High School Students Aiming for High School Entrance Exams: Limited-Time Material Request Campaign from April 1 (Wed) to April 28 (Tue)

Z-kai Classroom, part of Z-kai Group, is offering a special bonus video to junior high school studen… · 2026-04-02

[Z Kai] Partners with Waseda University AI Startup "Ekumenopolis" to Significantly Revamp Interactive English Learning Service "AI Speaking" from July 1st

Z Kai Co., Ltd. will significantly revamp its interactive English learning service "AI Speaking" and… · 2026-06-03

[Z-kai Classrooms] Now Running a Limited-Time Campaign for 1st & 2nd Year High School Students Requesting Materials from May 18 (Mon) to June 28 (Sun)

Z-kai Edutece is running a campaign from May 18 to June 28, 2026, for 1st and 2nd-year high school s… · 2026-05-19

[Eiko Seminar] June/July Open Test for 4th, 5th, and 6th Graders: Oyama and Utsunomiya East Integrated Schools

Eiko Seminar will hold mock exams for elementary students aiming for Tochigi prefectural integrated … · 2026-06-02

[Eiko Seminar] Science Experiment Class for Kindergarteners to 4th Graders and Parents in June/July

Eiko Seminar will host a free science experiment class titled 'Mysterious Sand and Rolling Water Bea… · 2026-06-02

[EIKOH LiNKSTUDY] Free Online Event on July 19th for 4th, 5th, and 6th Graders: "Current Affairs Countermeasures for Science and Social Studies in Metropolitan Area Junior High School Entrance Exams"

EIKOH LiNKSTUDY, an online cram school operated by Eikoh Co., Ltd. (a Z-kai Group company), will hol… · 2026-06-12

[Eikoh Robot Academy] 'Summer Special Courses' for Preschoolers to Junior High Students to be held from July to September

Eikoh Robot Academy, operated by Eikoh Co., Ltd., will hold 'Summer Special Courses' from July to Se… · 2026-06-02

Wataru Endo x Z Kai English Support Campaign Launches June 1st

Z Kai Solutions Co., Ltd., a group company of Zoshinkai Holdings (Z Kai Group), is running the 'Wata… · 2026-06-02

[Z-kai Correspondence Education] Summer Enrollment Campaign for Elementary School Courses Begins!

Z-kai is running a summer enrollment campaign for its elementary school courses, offering study-rela… · 2026-06-01

[Eiko Seminar] June Event: 'Basic Academic Ability Contest' for 4th, 5th, and 6th Graders Planning to Enter Public Middle Schools

Eiko Seminar, operated by Eiko Co., Ltd., will hold a free 'Basic Academic Ability Contest' in June … · 2026-05-29

[Eiko Seminar] To be held June 20-21: 'Public Integrated School Start Test' and 'Public Integrated School Open' for 4th, 5th, and 6th Graders

Eiko Seminar will hold the 'Public Integrated School Start Test' and 'Public Integrated School Open'… · 2026-05-29

Eiko Seminar to Host Saitama Private Middle School Joint Info Session on June 13

Eiko Seminar will hold a joint information session for 14 private middle schools in Saitama at Omiya… · 2026-05-27

[Eikoh Science Lab] "Summer Special Experiments" to be held during summer vacation

Eikoh Co., Ltd. will hold "Summer Special Experiments" at its science experiment classroom, "Eikoh S… · 2026-05-27

Z-kai Correspondence Education: Free 'First Z-kai Trial Book' for 2-3 Year Olds!

Z-kai Inc. has launched a campaign offering free trial materials for 2-3 year olds. · 2026-06-01

[Z-kai Ektas Eiko Seminar] 'Trial (Thinking) Ability & Descriptive Ability Diagnostic Test' for 1st, 2nd, and 3rd Graders Aiming for Top-Tier Middle Schools to be Held in June and July

Z-kai Ektas Eiko Seminar, operated by Eiko Co., Ltd., will hold a diagnostic test in June and July 2… · 2026-06-01

Z-kai: Announcement of Recruitment for the 2027 Z-kai Scholarship (Grant-type Scholarship)

Z-kai will begin recruiting students for the "Z-kai Scholarship," a non-repayable grant, starting Ap… · 2026-04-01

[Z-Kai Correspondence Education] Preschool Course 'Summer Enrollment Campaign' Starts! Receive Gifts for Signing Up

Z-Kai is running a 'Summer Enrollment Campaign' for its preschool courses (ages 3-6) from May 18 to … · 2026-06-01

Z-kai Offers Free Study Materials and Dinosaur Folders for Information Requests

Z-kai is launching a special campaign for elementary school students from May 1 to June 30, 2026. By… · 2026-05-15

Eikoh Seminar: Top-Tier Girls' Junior High School Entrance Exam Specialist Center to Hold "Diagnostic Test" for 2nd Graders Aiming for Oin and Girls' Gakuin in June

Eikoh Seminar Nakano School's Top-Tier Girls' Junior High School Entrance Exam Specialist Center wil… · 2026-05-12

Z-kai Correspondence Education: Free Worksheets for Preschool Children

Z-kai is currently running a 'Summer Material Request Campaign' for its preschool correspondence edu… · 2026-05-12

Eikoh Seminar x RIDDLER: Major Cram School and Puzzle Creator Group Collaborate on "Puzzle Foundational Intelligence Type Diagnosis 2026 Spring," Released April 27

Eikoh Seminar and the puzzle creator group RIDDLER have collaborated to release "Puzzle Foundational… · 2026-04-27

[Z-kai Ectas Eikoh Seminar] 'Trial (Thinking) Power / Descriptive Power Diagnostic Test' for 2nd and 3rd Graders Aiming for Tsukuba Komaba, Gosanke, and Komaba Toho Middle Schools to be Held in May and June

Z-kai Ectas Eikoh Seminar will hold a free diagnostic test in May and June for 2nd and 3rd graders a… · 2026-04-23

【Z-kai】Announcement of Z-kai Scholarship (Grant-type Scholarship) Recruitment for FY2027

Z-kai will begin recruiting high school seniors planning to enter university in April 2027 for its g… · 2026-04-01

Z-kai: Tsukuba University附属駒場 Junior High School 2026 Entrance Exam Analyzed! Math Analysis Article Including Alternative Solution Explanations Published on "Z-kai Exam Information Navi".

Z-kai has released an in-depth analysis of the 2026 entrance exam for Tsukuba University附属駒場 Junior … · 2026-04-09

[Z-kai Classroom] Junior High School Students Aiming for High School Entrance Exams: Limited-Time Material Request Campaign from April 1 (Wed) to April 28 (Tue)

Z-kai Classroom, part of Z-kai Group, is offering a special bonus video to junior high school studen… · 2026-04-02

EIKOH LiNKSTUDY Hosts 'Summer Course Kick-off' for 1st-3rd Graders on July 11

EIKOH LiNKSTUDY, an online tutoring school operated by Eikoh Co., Ltd. (part of the Z-kai Group), wi… · 2026-05-15

Z-kai Offers Free Study Materials and Dinosaur Folders for Information Requests

Z-kai is launching a special campaign for elementary school students from May 1 to June 30, 2026. By… · 2026-05-15

[Eikoh Seminar] Specialized Center for Top Girls' Junior High Entrance Exams to Hold 'Oin & Joshigakuin Diagnostic Test' in June for 3rd to 5th Graders

The Specialized Center for Top Girls' Junior High Entrance Exams, operated by Eikoh Seminar, will ho… · 2026-05-14

Eikoh Seminar: Top-Tier Girls' Junior High School Entrance Exam Specialist Center to Hold "Diagnostic Test" for 2nd Graders Aiming for Oin and Girls' Gakuin in June

Eikoh Seminar Nakano School's Top-Tier Girls' Junior High School Entrance Exam Specialist Center wil… · 2026-05-12

Z-kai Correspondence Education: Free Worksheets for Preschool Children

Z-kai is currently running a 'Summer Material Request Campaign' for its preschool correspondence edu… · 2026-05-12

Eikoh Seminar x RIDDLER: Major Cram School and Puzzle Creator Group Collaborate on "Puzzle Foundational Intelligence Type Diagnosis 2026 Spring," Released April 27

Eikoh Seminar and the puzzle creator group RIDDLER have collaborated to release "Puzzle Foundational… · 2026-04-27

[Z-kai Ectas Eikoh Seminar] 'Trial (Thinking) Power / Descriptive Power Diagnostic Test' for 2nd and 3rd Graders Aiming for Tsukuba Komaba, Gosanke, and Komaba Toho Middle Schools to be Held in May and June

Z-kai Ectas Eikoh Seminar will hold a free diagnostic test in May and June for 2nd and 3rd graders a… · 2026-04-23