Complex sentence: The Oak Grove High School list of accomplishments includes the Tigers winning the 1983 2A State Football Championship under then coach Ronnie Gilliland with the team posting a record of 12-3 including the championship game victory over Cottonwood by the score of 6-3.
Split into simpler sentences: The Oak Grove High School list of accomplishments includes the Tigers winning the 1983 2A State Football Championship under then coach Ronnie Gilliland. The 1983 squad posted a record of 12-3 including the championship game victory over Cottonwood by the score of 6-3.