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Hundreds of thousands of Chilean children have returned to class as a revised death toll continued to climb nine days after an earthquake and tsunami waves devastated the country.

“Its good for the children to go back to school, because they will focus on their stories,” a mother said as she dropped off her son at Subcaseaux Junior High School in Santiago.

Students screams of joy at finding their old friends rang throughout schools, while parents recounted the horror of days scrambling for food and water and sleepless, chilly nights outside their crumbled homes.

“I missed my friends, Ive been afraid of the aftershocks,” a boy said just before entering class for the first time since the end of the southern hemispheres summer.

Teachers underwent training to receive with “lots of love, lots of willingness to listen” the young ones still in shock from the tremor that affected two million people, Education Minister Monica Jimenez said.

During a visit to Subcaseaux, which is hosting students from affected areas, Jimenez said nearly 80 percent of children were returning to class.

Only children in the hardest-hit regions of Maule and Bio Bio did not go back to class, with their return delayed until late March or late April because so many schools were destroyed in the February 27 quake.

Patricio Rosende, the deputy interior minister, said 45 new bodies had been identified, bringing the official death toll to 497 as crews continued to search Chiles decimated coastline.

As schools reopened, Chilean emergency crews combed through the devastation wrought by the massive earthquake and accompanying tsunami to try to account for the dead.

While the death toll was a mere fraction of the 220,000 estimated to have died in Haitis January earthquake, scientists Monday unveiled new data testifying to the spectacular force of Chiles 8.8-magnitude quake.

The figure does not include people who have been reported missing and were unaccounted for, and Rosende did not provide a tally of those. Initially the government mistakenly lumped the missing with the confirmed dead for a higher toll.

In all, 7,000 children whose schools were rendered unusable by the disaster were assigned to other institutions for a few weeks or in some cases even the whole year, Santiago Mayor Pablo Zalaquet told TVN television.

The monster jolt moved the entire city of Concepcion, Chiles second-largest, more than three meters (10 feet) to the west, according to measurements gathered by a team of Chilean and US scientists and released by Ohio State University.

The playground was eerily empty at a Methodist high school, one of the quake-stricken coastal citys largest. The structure seemed to have withstood the shock of the tremor, although the cross atop the chapel was crooked. Workers were busy at work below.

In Concepcion there was little talk of returning to school for students.

Elsewhere in Maule and Bio Bio, power outages and the lack of drinking water kept many school doors closed.

“Four of the gyms beams collapsed, the library is unusable, same for one of the classrooms. And there are cracks everywhere,” one worker said.

Officials, meanwhile, began to get a better handle on the extent of the damage caused by the 8.8-magnitude quake and the giant waves that followed.

“Let them take their time,” Jimenez said.

Rebuilding health facilities and hospitals would cost 3.6 billion dollars, according to Health Minister Alvaro Erazo.

Public Works Minister Sergio Bitar estimated that 1.2 billion dollars would be needed to rebuild crushed public transportation infrastructure, including around 40 bridges that snapped during the disaster. Related article: Nation rallies to help victims

Outgoing President Michelle Bachelet was on a tour of ravaged regions, visiting the coastal towns of Dichato and Constitucion.

President-elect Sebastian Pinera, who takes office on Thursday, said his cabinet was preparing an emergency bill and a reconstruction law so that the 2010 budget could be “adjusted to reflect our needs and the reality on the ground.”

“The military is an institution with very useful tools in times of disaster” to guarantee public order and prevent looting, Pinera told DNA radio.

Pinera blasted critics of the deployment of some 14,000 soldiers in quake-hit areas to quell riots and looting — a move unprecedented since the end of Augusto Pinochets dictatorship in 1990.

“They are Chileans like everyone else,” he said of the soldiers. “This prejudice (toward the military) is absurd, we must eliminate it from our minds.”