Easily set your server spawn with this highly customizable Skript.
Code
#Replace [ServerName] With the name of your server
#You do NOT need to give me credit
on join:
teleport player to {spawn}
command /setspawn:
trigger:
if player has permission "spawn.set":
if {spawn} is not set:
send "[ServerName] &aThe spawn has been set"
set {spawn} to location of player
stop
command /delspawn:
trigger:
if player has permission "spawn.delete":
if {spawn} is set:
send "[ServerName] &aThe spawn has been deleted"
delete {spawn}
stop
command /spawn:
trigger:
teleport player to {spawn}
send "[ServerName] &aYou have been teleported to spawn"