This study is an evaluation of the effects of the Grade 1-9 Coherent Curriculum Program employed by 13 elementary schools in 4 counties in northern Taiwan. The researcher collected school evaluation results evaluated by school personnel, information obtained from expert counseling meetings, and questionnaires completed by 509 teachers and 44 school personnel. It was found that: (1) the input of the program was deficient, the process of the program was generally effective, and the output of the program was average; (2) the program performed quite effectively with a mean score of 4.15 on a five-point scale, but teachers gave it only an average evaluation (a mean score of 3.28); (3) taking the average for all schools, 85.08% of all evaluation indicators were above 4.0 on a five-point scale.