Study  aims to investigate the teaching strategies applied by creative teachers at elementary and junior high schools and their teaching effectiveness after the implementation of creative teaching activities. Through purposive sampling, this study conducted four case studies on the Outstanding Award winners at the GreaTeach 2002 Creative Teaching Award. The in-depth interview research method is used in order for the selected creative teachers to self-describe their strategies and implementation results. The research findings of this study include the following: 1) The general activity, English, and math case subjects all used in-class discussions to help students develop respect for each other; 2) Art & humanities and math case subjects both used in-class discussion to promote openness in students’ emotional expressions, while the general activity case subject created an environment conducive to openness and the English case subject used game oriented activities to increase students’ openness; 3) The general activity, English, art & humanities, and math case subjects applied activities with discussion orientation, game orientation, teaching orientation, and hands-on teaching materials respectively to help students to think from concrete terms to more abstract terms, thereby improving their derivative thinking skills; 4) Game oriented activities adopted by the four case subjects of general activity, English, art & humanities, and math were found to be effective for teenagers and children; 5) All four case subjects of general activity, English, art & humanities, and math used teaching orientated activities to increase students´ cognition; 6) All four case subjects of general activity, English, art & humanities, and math used discussion-oriented activities to boost students’ question raising ability; 7) The general activity and English case subjects adopted teaching-orientated activities to boost students’ confidence, while the art & humanities case subject used students’ works to decorate the school environment to help increase students’ self-confidence and the math case subject adopted in-class discussion to provide positive reinforcement to increase self-confidence in students; 8) The general activity, English, art & humanities case subjects utilized contextualized teaching methods to boost students’ comprehension while the math case subject arranged experiments for self- observation and testing as a way to enhance students’ comprehension; and 9) The general activity and English case subjects applied games to increase student collaboration, while the art & humanities and math case subjects divided students into smaller groups to help them learn to collaborate with each other.