Can I do a border run in Ranong to extend my stay in Thailand with an Ed Visa?

The user is inquiring whether they can do a border run in Ranong to obtain an additional 30-day visa exemption, after finishing their Ed Visa year extension. They are holding a US passport with prior Non Immigrant O visas. Community responses suggest it's possible to make the border run, but precautions like having a ticket and proof of sufficient funds are advised. Additionally, obtaining a letter from their school confirming their study completion and canceling the current extension at an Immigration Office is necessary before the border run.