Can my students sit Cambridge IGCSE Co-ordinated Sciences 0654 with Cambridge IGCSE Cambridge IGCSE Biology 0610, Chemistry 0620, Physics 0625, or Combined Science 0653?

No, not in the same series of exams. In a single series of exams some combination of syllabuses are not allowed and you should refer to section 5 ‘What else you need to know’ in the Co-ordinated Sciences 0654 syllabus to find out the exceptions when combining IGCSE Co-ordinated Sciences with other Cambridge International syllabuses.