3) alcohols and ethers, 4) aldehydes and ketones, 5) carboxylic acids, 6) esters, and 7) amines and amides. Fifty-one Grade 12 students at Khukhan School in Srisaket province of Thailand during the first academic semester of 2012 were purposively selected as participants. The data collected, included students’ learning achievement test scores of organic chemistry,