Tikkakoski secondary school ({{lang|fi|Tikkakosken koulu}}) is a school in Tikkakoski, Jyväskylä, Finland. The school has about 350 pupils. It was built in 1938 in Suojärvi, but it had to be disbanded the next year because of the Winter War. The school moved to Tikkakoski in 1944 where it remains.

• The Arab (film)
• The Arab Gas Pipeline
• The Arab heroes of the Holocaust
• The Arabian Nights' Entertainment
• The Arabian Nights Murder
• The Arabian Peninsula
• The Arabian Posse
• The Arabidopsis Information Resource
• The Arab-Israeli Wars
• The Arab Kingdom of Syria
• The Arab (magazine)
• The Arab Maghreb Union
• The Arab occupation of the region of Palestine
• The Arab orchestra of Nazareth
• The arabs in history
• The Araca Group
• The Aramis
• The Aram Khachaturian House-Museum
• The Ara Project
• Thearbiter
• TheArbiter.NET
• Thearbiter.net
• The Arbor
• The Arboretum
• The arboretum at flagstaff