There are many curriculum assessments approaches that can be used such as Stake, Wood, Eisner, Wolf, Guba and Lincoln… Of course, with its limitations. There are also some misconceptions of curriculum evaluations - focusing on measurability and standardization, ..It is also important what kind of curriculum to talk about. Is it written, hidden or..., etc.,
It all depends on what you want to measure, this determines the model. My research, for example, looked at stakeholder's views on curriculum and so I looked at Stakes Responsive Model. I agree with Hasan Şeker
Tantri Sari Safitry , As the colleagues above mentioned, there are several ways. The one you can do right now without watching lessons or interviewing students, is based on an easy Bloom's taxonomy assessment of the curricular objectives:
see e.g. Article The Intellectual Demands of the Intended Chemistry Curriculu...
Al-Eraky, M. (2012). Curriculum Navigator: Aspiring towards a comprehensive package for curriculum planning. Medical Teacher, 34(9), pp.724-732.
Harden, R. (2001). AMEE Guide No. 21: Curriculum mapping: a tool for transparent and authentic teaching and learning. Medical Teacher, 23(2), pp.123-137.
Harden, R. (1986). Approaches to curriculum planning. Medical Education, 20(5), pp.458-466. Harden, R. (1986). Ten questions to ask when planning a course or curriculum. Medical Education, 20(4), pp.356-365
Curriculum evaluation approaches can be objectives-oriented, management-oriented, consumer-oriented, expertise-oriented, adversary-oriented or participant-oriented. I discuss these in more detail in https://www.researchgate.net/publication/295847262_The_quality_of_citizenship_education_in_Harare_primary_schools_An_evaluation_of_curriculum_implementation