Please answer the following question: Samakkhi Witthayakhom School (Thai: โรงเรียนสามัคคีวิทยาคม; RTGS: Rong Rian Samakkhi Witthayakhom; Thai pronunciation: [rōːŋrīːən sǎːmákkʰīː wíttʰājāːkʰōm]) or in brief SWK (Thai: ส.ว.ค.) or formerly Samakkhi Witthayakhom Chiang Rai Provincial School (Thai: โรงเรียนประจำจังหวัดเชียงรายสามัคคีวิทยาคม; RTGS: Rong Rian Pracham Changwat Chiang Rai Samakkhi Witthayakhom) is a public high school in Changwat Chiang Rai the northernmost province of Thailand.Established by Chiang Rai Governor Phraya Si Suriyaratchawaranuwat (Suk Ditsayabut) in 1908 it is tallied as the twenty-second oldest public high school of the Country the fourth oldest of the Northern Region and the oldest of Changwat.  Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Educational Institution