“School is killing us. Textbooks are made from paper, paper is made from trees…”

“School is killing us. Textbooks are made from paper, paper are made from trees, we need trees for oxygen. Thus, school is killing us” is a jocular school saying that has been printed on many images. Authorship is uncertain.
   
“School is killing us. Textbooks are made from paper, paper are made from trees, we need trees for oxygen. That means, school is killing us” was posted on Twitter by Oliwia on May 16, 2012. “School is killing us. Textbooks are made from paper, paper are made from trees, we need trees for oxygen. Thus, school killing us” was posted on Twitter by viera rachmawati a few hours later on May 16, 2012.
     
       
Twitter
Oliwia
@Oliwia2204
School is killing us. Textbooks are made from paper, paper are made from trees, we need trees for oxygen. That means, school is killing us.
11:30 AM - 16 May 2012
   
Twitter
viera rachmawati
@vierachmawati
School is killing us. Textbooks are made from paper, paper are made from trees, we need trees for oxygen. Thus, school killing us.
3:26 PM - 16 May 2012
 
Twitter
STΔY CLASSY ⚓
@Inmyyzonee_
School is killing us. Textbooks are made from paper, paper is made from trees, we need trees for oxygen. Thus, school is killing us. ~
3:59 PM - 16 May 2012
 
Twitter
Girl hacks ღ
@ClosedSafe
School is killing us. Textbooks are made from paper, paper are made from trees, we need trees for oxygen. Thus, school is killing us.
10:03 PM - 27 Mar 2013
   
4 July 2017, The Advertiser (Adelaide, Australia), “The Last Word” by Marty Smith, pg. 18:
From the website LeFunny.net: “School is killing us. Textbooks are made from paper. Paper is made from trees. We need trees for oxygen. Thus, school is killing us.”
 
Twitter
College Life
@8_Semesters
School is killing us. Textbooks are made from paper, paper is made from trees, we need trees for oxygen. Thus, school is killing us.
6:33 PM - 19 Oct 2017
 
Twitter
de
@devyclaudia
School is killing us. Textbooks are made from paper, paper is made from trees, we need trees for oxygen. Thus, school is killing us.
10:27 PM - 30 Mar 2019