This research is carried out to evaluate the preparation of the bachelor's degree in science in relation to its admission to higher education in Ecuador. The research has a mixed approach, the methodology includes descriptive analysis and correlations using SPSS software. The result was a low-moderate positive Pearson correlation of 0.272 between the two variables with a confidence level (bilateral significance) of 0.003. 64% of respondents indicated they had successfully entered higher education while 36% indicated they had not; Furthermore, the discrepancy between the perceptions of students and teachers are the most important findings, this suggests the curricular review of the baccalaureate in science to guarantee its alignment with the demands of higher education in Ecuador.