It is operated by the administration and is accredited by NICS, ACSI, Korean Department of Education, and WASC.

As of August 2017, approximately 130 students are attending ICSU, with a total of 22 faculty and 11 staff members.

[1] As of 2016, 50% of the faculty completed a Masters program, 78% graduated from a Christian College, and the average staff tenure was 7 years, which is higher than most international schools in Korea.

Since 2016, ICSU has a forensics team including Debate and Speech but has not had one since 2017. International Christian School has been serving to strengthening military families since 1983, when a military Chaplain on Camp Red Cloud encouraged Joe Hale to start an “American” school for the families living in Area 1.

Also, several times in a year, students and teachers from ICSU go on mission trips to various countries and support local organizations.