Kyoosun Chung / Principal


Subject: Math

Kyoo Sun Chung graduated from Worcester State University in Worcester Massachusetts, and majored in mathematics and minored in education. After his college education, he served in the United States Army for over 12 years as an accountant. He went back to Pierce College to obtain one-year accounting program certificate. He is certified as 9th through 12th grade mathematics teacher from the Commonwealth of Massachusetts.He has taught students in North Bridge High School in Whitinsville, MA. He has great passion for education and loves to be a mentor for young students. He has two children, Favian and Helen. Both graduated from Evergreen Lutheran High School.

Kari Severeid

LinkedIn Picture

Subject: English & ESL

Kari graduated Evergreen Lutheran High School. She is currently a senior at the University of Washington working toward my B.S. in Chemical Engineering. She has worked as a tutor for almost three years in Math, Chemistry, and English. She has worked with students in grade school, high school, and college. Kari enjoys working with students, and she is grateful to be able to continue that here.

Dave Kriewall

portrait - Dave Kriewall

Subject: Math & English

Dave Kriewall graduated from Northwestern University (Evanston, IL) and University of Washington with degrees in music performance.  He has been a software engineer for over 30 years.  Dave is married with three children, and is a member of Calvary Lutheran Church (Bellevue).

Sang-Seon Yun

Yun_Photo_July 2015

Subject: Math, Science, Biology, Chemistry

Sang-Seon Yun earned his BSc. and MSc. in Oceanography from Seoul National University, Korea and his Ph.D. in Marine Biology from Royal Holloway, University of London, UK. Since 2000, he has been working in some academic institutions such as Michigan State University, Kunsan National University, and the University of British Columbia, conducting fisheries and environmental research and mentoring Native American students. He currently working as a consultant assisting the Skokomish Indian Tribe for their water quality laboratory.

Ashely Park


Subject: English & Music & Science

Ashley Park earned her Master of Science in Information Systems degree at University of Washington of Washington Foster School of Business in 2017. She acquired Bachelor of Arts in Business Administration (BABA) majoring in Information Systems and Human Resources in 2014. She also acquired Bachelor of Music – Piano (BM) at the School of Music University of Washington in 2014. Currently she is a Senior Advisory Consultant at Ernst & Young LLP. Her main expertise is in building data intelligence solutions. Ashley has 5+ years of volunteer experience in teaching grades k-12 of various subjects.

Je Jeong (Benjamin)


Subject: Math

Benjamin is a college preparatory advisor and SAT/ACT math tutor. He is committed to connecting with students and meeting their individual learning needs.
He received his MS in Statistics at Iowa State University. Since 2006, he has taught students math and guided them to top universities such as Princeton, Stanford, Williams and Dartmouth.

Merri Kriewall

Merri Kriewell

Subject: English & ESL

Merri Kriewall grew up in a small town in Wisconsin, attended the University of Wisconsin in Stevens Point, and moved to the Seattle area after her husband received a job offer with Boeing. She has taught ESL and English at Kschool since 2012

Merri enjoys gardening, reading, swimming, biking, and sewing and crafts.  She has four children and five grandchildren.

Pastor Youn soo Park

Pastor Youn soo Park

He graduated Han-young Bible College in Korea, and Faith Evangelical Lutheran Seminary and Wisconsin Lutheran  Seminary in US. Pastor Park is still studying for advanced degrees at Wisconsin Lutheran Seminary.
He has three family members, Amelia Park(wife), David Park (son), Ashley Park (daughter). When he lived in Korea he served in Kwang-ju Lutheran Church, and Mokpo Lutheran Church south west form Seoul,  Korea. Pastor Park immigrated to the U.S. in 1998, and is serving Korean Lutheran Church since 1998. Pastor Park has taught Catechism for 7~8th grade and counseling for international student at Holy Trinity Lutheran  School since 2006.

Mihyun Yi

Mihyun Yi

Subject: Korean

Mi-hyun Yi graduated from Mokpo University in South Korea with a degree in Early Childhood Education. She immigrated to the United States in 2004. She is married to Chun-su Yi, and has two children, Lindsey Yi and  Tiffany Yi. Since 2010, she has been and continues to serve the Korean class of KSchool.

Mischellie Oh

Mischellie Oh

Subject: Korean / ESL

Michellie Oh graduated Tennessee State University in 1986 and moved to the Seattle area in 1990 with her husband. She has taught ESL at the Seattle and Bellevue Korean School. She operated Olympic Learning Center between 2007  serving students K  through 12 until December of 2014. Mischellie, while operating the learning center, lay foundation  for  Federal Way Korean School in the  meantime. She is working at Federal Way School District for the last 16 years. Her son, Jonah graduated from PLU and daughter is  currently attending  PLU.

Jung hee Choi

Jung hee Choi

Subject: Korean

 Jung Hee Choi is a member of Korean Lutheran Church, and is teaching students in Kschool.  She was born and raised in Korea. She has moved to the U.S. in 2000.

Suji Chung

Suji Chung

Subject: Korean

It has been six-teen years since she came to the U.S. She lived in San Francisco CA, Albany NY and now live in Issaquah  WA. She finished master’s degree in TESOL in University of San Francisco. Back in Korea, she majored in English and acquired teaching certification of secondary school teacher. She also taught  English at Jung Myung Women High School in Korea.

  • David Park
  • Sejin Kim
  • Minho Lee

Angie Jin


Subject: Chinese

Angie Jin was born in Harbin Heilongjiang, China. She graduated in Chang Chung University and came to the U.S in 2015. Currently, she lives in Bellevue, WA. She is a member of Korean Lutheran Church and is teaching students in Kschool.

Sub & Volunteer Teachers

Duane E. Smalley & (4) more sub teachers