Hi Mari!! This is really good!! Just some suggested edits.
My daughter's high school is going to start online classes next week.
Her classes have already started, and she has been taking them since last week.
It seems like teachers have spent most of their time preparing and shooting (recording?) classes for their students.
Covid-19 has changed many things in our lives, like wearing masks when we're out, making sure to wash our hands after getting home and social distancing.
Many people around the world are suffering from Covid-19 and some have died.
When this whole thing started, I really didn't think it would get this bad. [great sentence – really natural!]
Sometimes I feel like I'm still in a dream, and I can't believe these situations are real.
Like everyone, I'm just waiting eagerly for things to go back to normal.