The whole song uses three chords in power chord form. Bb     F     G
 double  -- means rest half a beat,           e      ---    ---   ---
 listen to the song to get the beat           B      ---    ---   ---
 if you can't tell by the spaces.             G      -3-    ---   ---
                                              D      -3-    -3-   -5-
                                              A      -1-    -3-   -5-
                                              E      ---    -1-   -3-


Intro:    (medium distortion)

e------------------------
B------------------------
G--3-3---3--------------- 
D--3-3-3-1-3-5--5--5-5-3-
A--1-1-3-1-3-5--3--3-3-3-
E------1---1-3--3--3-3-1- X4



Verse 1, This is the last day... (palm muted)
e---------------------------------
B---------------------------------
G-3-3-3-3-3-3-3-3-----------------
D-3-3-3-3-3-3-3-3-5-5-5-5-3-3-3-3-
A-1-1-1-1-1-1-1-1-5-5-5-5-3-3-3-3-
E-----------------1-1-1-1-1-1-1-1- X4

Between verse 1 and 2  (medium distortion)

e------------------------
B------------------------
G--3-3---3--------------- 
D--3-3-3-1-3-5--5--5-5-3-
A--1-1-3-1-3-5--3--3-3-3-
E------1---1-3--3--3-3-1- X2

Verse 2, I gotta run now...
                                       forth time goes like this:
e---------------------------------   | e-------------------
B---------------------------------   | B------------------- 
G-3-3-3-3-3-3-3-3-----------------   | G-3-3-3-3-3-3-3-3---   
D-3-3-3-3-3-3-3-3-5-5-5-5-3-3-3-3-   | D-3-3-3-3-3-3-3-3-5- 
A-1-1-1-1-1-1-1-1-5-5-5-5-3-3-3-3-   | A-1-1-1-1-1-1-1-1-5-  
E-----------------1-1-1-1-1-1-1-1- X4| E-----------------1-

Chorus, Running through the highschool hallways... 
(listen to song for rythme)

e---------------------------------
B---------------------------------
G-3-3-3-3-------------------------
D-3-3-3-3-3-3-3-3-5-5-5-5-3-3-3-3-
A-1-1-1-1-3-3-3-3-5-5-5-5-3-3-3-3-
E---------1-1-1-1-1-1-1-1-1-1-1-1- X2


Between Chorus and bridge

e------------------------
B------------------------
G--3-3---3--------------- 
D--3-3-3-1-3-5--5--5-5-3-
A--1-1-3-1-3-5--3--3-3-3-
E------1---1-3--3--3-3-1- X2

Bridge, Now we all meet up... guitar cuts out till 3rd measure and plays this

e----------------------
B----------------------
G----------------------
D---------------------- 
A-5-5---5--------------
E-----6---6-3-3--3-3-1- X2

Chorus 

e---------------------------------
B---------------------------------
G-3-3-3-3-------------------------
D-3-3-3-3-3-3-3-3-5-5-5-5-3-3-3-3-
A-1-1-1-1-3-3-3-3-5-5-5-5-3-3-3-3-
E---------1-1-1-1-1-1-1-1-1-1-1-1- untill the end

during the last Chorus the second guitar plays this close to the end

e-------------18---------------------18----------
B------------------------------------------------
G------------------------------------------------
D------------------------------------------------
A-17-18-17------18-17-18-17-18-17-------17-18-17-
E----------18---------------------18------------- X3

then it ends with this while the other guitar is still playing the chorus
e-18-17-15-
B----------18-16-15^bend-15-------
G---------------------------17-15-
D---------------------------------
A---------------------------------
E---------------------------------