Timing for Letters of Recommendation

Hello!
I have set my sights on becoming an optometrist for a while now. I am currently finishing my 2nd semester as a sophomore at UCBerkeley. I am also a part-time receptionist at an optometry clinic nearby and I have been working there for roughly half a year now. Coincidentally, the doctors who work at that clinic also teach at the Berkeley school of Optometry.

I feel incredibly lucky that I was able to get this job, but I do not know how long I can keep up the balance between work and...

Timing for Letters of Recommendation