verb usage

Yes. 'Delgado Community College' is singular and the subject and will use the singular form, needs. Also, in your question, 'I' should be capitalized, and it should be 'an s' rather than 'a s'. These articles should be used based on the sound of the following word. An 'ess', a unique thing, an hour from now.

This is why Delgado Community College needs a conceptual model of nursing incorporated into the curriculum to strengthen the purposefulness of nursing knowledge in education and practice .