G21학원

G21학원 is a Korea-based business registered at 서울특별시 동대문구 고산자로31길25 (Postal code: 02567). It operates as an individual tax-exempt business. It was originally registered with the Dongdaemun Tax Office. G21학원 falls under the Public Administration, Education & Health industry. It operates within the Vocational & Supplementary Education sector, specifically focusing on Guitar teaching academy business activities. According to KOBDi Industry Ranking system, G21학원 scored 18.74 points (up 0.16 points since August 2026) and outperforms approximately 24% of companies in the same industry. Recent performance indicators include: Employee growth: 0.00% (industry average: -1.44%).
G21학원은 서울특별시 동대문구에 있는 일반 교과학원 기업입니다.
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서울특별시 동대문구 고산자로31길25 (02567)
Individual tax-exempt business
Public Administration, Education & Health > Vocational & Supplementary Education > Guitar teaching academy
0.00%
18.74
▲ 0.16 pts (vs. August 2026)
Top 77%
September 2026

G21학원's KOBDi Score is 18.74 as of Sep 2026, up 6.32 points since Apr 2025; it rose in 3 of the 12 monthly updates and never fell. As of Sep 2026 it is ahead of about 24% of companies in its industry, against 22% in Aug 2026 and 36% in Apr 2025. Its strongest position was 41% (May 2026) and its weakest 21% (Jul 2026).

A year earlier, in Aug 2025, its score was 12.42 and it was ahead of about 38% of companies in its industry.

Sep 202618.74ahead of 24%
Aug 202618.58ahead of 22%
Jul 202618.58ahead of 21%
Jun 202612.58ahead of 40%
May 202612.58ahead of 41%
Apr 202612.58ahead of 39%
Mar 202612.58ahead of 41%
Feb 202612.58ahead of 41%
Dec 202512.58ahead of 40%
Aug 202512.42ahead of 38%
Jul 202512.42ahead of 37%
May 202512.42ahead of 39%
Apr 202512.42ahead of 36%

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하늘에듀케이션어학원 1–4 Top 77%
이차함수보습학원 1–4 Top 77%
이보영의토킹클럽시흥월곶어학원 1–4 Top 77%
보들리영어보습학원 1–4 Top 77%
엠스터디학원 1–4 Top 77%















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서울특별시 동대문구 고산자로31길25 (02567)
Where is G21학원 located?

G21학원 is registered at 서울특별시 동대문구 고산자로31길25, South Korea (postal code 02567).

What industry is G21학원 in?

G21학원 belongs to Public Administration, Education & Health › Vocational & Supplementary Education › Guitar teaching academy.

What is G21학원's KOBDi Score?

18.74 as of September 2026, ahead of about 24% of companies in its industry.

Who are G21학원's competitors?

Similar companies include 하늘에듀케이션어학원, 이차함수보습학원 and 이보영의토킹클럽시흥월곶어학원.

Which businesses are near G21학원?

Businesses registered at the same postal code (02567) include 용두새마을금고, 넘버원메가팩토리 and 믿고영어.

Businesses near G21학원

Registered at postal code 02567 (고산자로31길, 동대문구).

Other guitar teaching academy companies in 동대문구

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