Dependents of Students/prospective Students
Dependents such as husband, wife or civil partners and any child/ children under 18 can accompany the applicant or can go to the UK during the duration of studies of the student (sponsor), and can stay with the student/ prospective student for as long as the student can support them and live without needing any help from public funds.
For an applicant to qualify for visa as the husband, wife or civil partner, he/she must be able to establish that:

The applicant is married to/is the civil partner of a student, prospective student, student nurse or postgraduate doctor/ dentist/ trainee general practitioner or a student with visa to resist an exam or write up a thesis.
. Both the partners live together as his or her spouse or civil partner during the applicant's stay.
. There is adequate accommodation and maintenance for the student, spouse or civil partner and any dependants, without recourse to public funds.

The applicant will not remain in the UK beyond the leave granted to the parent.
The applicant's application must be accompanied with relevant documents to establish above points along with the sponsor's passport showing personal details and original visa as a student.

Parents with Children at School
Applicant parent who intends to go to the UK with his child under
12, and who is at school in the UK may be granted visa provided: