US Department of Education and Apple, Cisco, Microsoft, Dell and other companies co-founded twenty-first century key competencies Union, that the twenty-first century the most critical capabilities needed for: learning and innovation ability, information, media and technology literacy, work and life skills. Key competencies in information literacy included data interpretation and the prediction of possibility, which has a critical impact for the decision of problem solving. Numbers is the main medium of information in the pursuit of electronic-century. Statistics and probability is the most important tool for interpretation and analysis of digital information. To cultivate the ability of data analysis, interpretation, and the prediction and judgment of event probably occurring is the prior knowledge of statistical literacy in elementary and junior high school. Therefore, this study intends to compile a set of crossing grade assessment with reliability and validity. The assessment and its duplicate norm tests suit to evaluate the students’ ability of data and chance in order to assess their development in the second stage(third and fourth grade), third stage(fifth and sixth grade) and fourth stage(seventh and eighth grade). In addition to, the project investigate the ability difference of data and chance with international students. The research results will be an important basis for curriculum development, teachers’ instruction as well as evaluation of students’ ability of data and chance. The report is the first year result which had finished pretest data analysis. The finding is that the test has good content validity. Items spread reasonably well along the latent ability and are aligned with various ability levels. The test has satisfactory person separation reliability.