Student Finance Application_Long residence route

I recently applied for student finance using the Long Residence option. Student Finance advised that I would qualify if I entered the country before the 4th of March 2015. I have provided all the required evidence, including school attendance letters showing attendance from the 20th of April 2015 to date. However, Student Finance has asked for evidence covering the period from 04/03/2015 to 20/04/2015.
I entered the UK on the 25th of February 2015, but my family did not secure housing until the 27th of March 2015. As a result, I could not apply for a school place without a fixed address, and we temporarily stayed with a relative. Despite this, I have submitted a stamped vignette showing that I entered the country before the 4th of March 2015, which confirms that I qualify for finance based on SFE's conditions. My passport also shows that I haven't left the UK since arriving, indicating no six-month gap.
SFE insists that all evidence must be in the applicant's name. Since I did not enrol in school immediately due to not having a fixed address, what other evidence can I provide besides the stamped vignette by UK Border Force showing my entry on the 25th of February 2015? Please advise.