Did Veronica die in Heathers?

After figuring out that J.D. intended to kill her, Veronica fakes her own suicide by tying a rope around her waist to support her weight and again around her neck to look like she hanged herself.

Read rest of the answer. Considering this, does Veronica kill herself in Heathers?

Veronica tells J.D. that she will not participate in any more killings. He climbs into her room with a revolver to kill her, but Veronica has used a harness to make it look like she has hanged herself.

Likewise, why does Veronica burn herself in Heathers? Veronica may save the school, but she's also a self-loathing masochist–at one point, she burns herself with a cigarette later as a means of contrition. More importantly, she's complicit in the suicide of her ex-boyfriend, and she rejects the social ladder altogether.

Beside this, does everyone die in Heathers?

Heather Chandler does and dies from chemical poisoning instantly. To cover up the murder J.D tells Veronica to write suicide note in Heather Chandler's handwriting.

Does Martha die in Heathers?

Attempted Suicide At first, it appears she is attending a sporting event but is really alone. She spills a drink on herself and then the scene flashes to Martha walking into traffic with a suicide note pinned to the front of her shirt. Luckily, she survives but is badly injured and ends up being wheelchair bound.