Today I didn't attend school and didn't see the people I dislike at all.
Today I didn't go to school and didn't meet the people I dislike all day.
1) Today I didn't attend school and didn't see the people I dislike at all.
今日は学校を欠席して嫌いな人に会わなくて済んだ
学校を欠席した ＝ Didn't attend school
嫌いな人 = the people I dislike
会わなくて = didn't see
会わなくて済んだ = didn't see at all （まったく会えなかった）
２）Today I didn't go to school and didn't meet the people I dislike all day.
学校を欠席した ＝ Didn't go to school.
didn't meet the people I dislike all day (一日中まったく会えなかった）
ご参考になれば幸いです。
I stayed home from school today, so I didn't have to see the people I don't like.
・I stayed home from school today, so I didn't have to see the people I don't like.
「今日は学校を休んだ（欠席した）ので、嫌いな人たちに会わずに済みました。」
didn't have to 〜 は「〜しなくて済んだ（〜する必要がなかった）」を表す表現です。
・I missed school today and got to avoid someone I can't stand.
「今日は学校を休んで（欠席して）、大嫌いな人を避けることができた（会わずに済んだ）。」
イギリス 
アメリカ合衆国 
