경성중학교

경성중학교 is a Korea-based business registered at 서울 마포구 성미산로 (Postal code: 03977). It operates as a headquarter or branch of non-profit corporation. It was originally registered with the Mapo Tax Office. 경성중학교 falls under the Public Administration, Education & Health industry. It operates within the Primary & Secondary Education sector, specifically focusing on Middle school business activities. It has 20–29 employees. According to KOBDi Industry Ranking system, 경성중학교 scored 51.75 points (up 0.08 points since August 2026) and outperforms approximately 84% of companies in the same industry. Recent performance indicators include: Employee growth: -5.03% (industry average: -1.16%).
경성중학교는 서울 마포구에 있는 기업입니다.
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서울 마포구 성미산로 (03977)
Headquarter or branch of non-profit corporation
Public Administration, Education & Health > Primary & Secondary Education > Middle school
September 2026
-5.03%
2025-2026
51.75
▲ 0.08 pts (vs. August 2026)
Top 16%
September 2026

경성중학교's KOBDi Score is 51.75 as of Sep 2026, down 0.59 points since Apr 2025; it rose in 5 and fell in 5 of the 11 monthly updates. As of Sep 2026 it is ahead of about 84% of companies in its industry, against 83% in Aug 2026 and 90% in Apr 2025. Its strongest position was 90% (Apr 2025) and its weakest 81% (Jun 2026).

A year earlier, in Aug 2025, its score was 51.95 and it was ahead of about 83% of companies in its industry.

Sep 202651.75ahead of 84%
Aug 202651.67ahead of 83%
Jul 202652.17ahead of 87%
Jun 202651.17ahead of 81%
May 202651.81ahead of 85%
Apr 202652.69ahead of 88%
Mar 202653.16ahead of 89%
Feb 202652.92ahead of 88%
Dec 202552.92ahead of 88%
Aug 202551.95ahead of 83%
Jul 202551.82ahead of 89%
Apr 202552.34ahead of 90%

Between 2025 and 2026, the headcount of 경성중학교 changed by -5.03%, against an average of -1.16% in its industry. It now has 20–29 employees.

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신기중학교 20–29 Top 16%
경구중학교(학) 20–29 Top 16%
보은여자고등학교 20–29 Top 16%
제천여자중학교 20–29 Top 16%
매송중학교 20–29 Top 17%















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서울 마포구 성미산로 (03977)
Where is 경성중학교 located?

경성중학교 is registered at 서울 마포구 성미산로, South Korea (postal code 03977).

What industry is 경성중학교 in?

경성중학교 belongs to Public Administration, Education & Health › Primary & Secondary Education › Middle school.

How many employees does 경성중학교 have?

경성중학교 has 20–29 employees.

What is 경성중학교's KOBDi Score?

51.75 as of September 2026, ahead of about 84% of companies in its industry.

Who are 경성중학교's competitors?

Similar companies include 신기중학교, 경구중학교(학) and 보은여자고등학교.

Which businesses are near 경성중학교?

Businesses registered at the same postal code (03977) include 경성고등학교, 경성매점 and 다솜푸드. Most work in service industry related to film, video and broadcast program production, application software development and supply and e-commerce retail.

Businesses near 경성중학교

Registered at postal code 03977 (성미산로, 마포구). Most businesses here work in service industry related to film, video and broadcast program production, application software development and supply and e-commerce retail.

Other middle school companies in 서울

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