Even so, schools close to army bases or Israeli settlers stayed shut.
It is the second time that Israeli settlers have come under attack just before peace negotiations.
Israeli settlers tried to prevent the government from dismantling their settlements.
As a result, the number of Israeli settlers living in the territories almost doubled from 1993 to today.
Illegal weapons held by Israeli settlers should also be confiscated.
Today some 110,000 Israeli settlers live in the zone.
Last fall, the group's leaders said it would target only soldiers and Israeli settlers.
About 7,500 Israeli settlers now live in the strip.
Two Israeli settlers were killed and five injured after being ambushed on the way to work.
After the demolitions, the lands were given to Israeli settlers.