I have double-whammy - as a parent and a teacher.
Ds (8) has told me that they didn't watch it but that pupils who had brought their own pin-hole cameras were allowed outside to watch. He named three from his class- his best friends. He didn't have one because it never occurred to me. I feel like the shittest mother in town, but am a bit cross that were not advised that if we provided our own equipment children would be allowed out. They could have made said cameras earlier in the week in class, no? Then no one would have been excluded. Mainly angry with myself though 
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Then my school. No whole school policy, but I am aware of possible dangers of watching it. I have very excited class p1 (Y9). They come in waving litmus paper that science teachers have apparently told them can be used to watch safely through. No email has gone out to this effect, so I say no. Class upset. I allow watching BBC live at relevant time. Teacher next door takes his class outside. My class hate me more. They tell me everyone else is outside - they were not, just one class. They crowd the window and I obsess about them injuring their eyes. It was cloudy anyway.
AIBU to think both schools should have made a decision to include all children? Bloody glad it's over - feel like I spoilt it for a variety of people .