She probably felt pretty embarrassed, turning up at the school - as the parent who doesn't know what's going on. Add in her general guilt about the situation, and I can understand her spewing.
However, her text behaviour yesterday has implications - one of which was that you held off updating her this morning.
T 13 M 7 Me 48 H 46 SS 15 BD 7.14 PA D final 5.16 (H filed)
We receive & we lose, and must try to achieve gratitude & embrace with whole hearts whatever of life that remains after the losses - Dubus