BANGKOK, THAILAND - NOVEMBER 22, 2012: In a college in Bangkok, students do their exercises in the classroom.

Penitent with his cross, Holy Week in Seville Nazarene Brotherhood of students

Penitent with his cross, Holy Week in Seville Nazarene Brotherhood of students

Penitent with his cross, Holy Week in Seville Nazarene Brotherhood of students

Penitent with his cross, Holy Week in Seville Nazarene Brotherhood of students

Students, citizens, people protest against government corruption, regime, demand justice for 15 lives lost in tragic accident roof

Students, citizens, people protest against government corruption, regime, demand justice for 15 lives lost in tragic accident roof

Students in classroom during their final summer exam

Students in classroom during their final summer exam

Students before entering classroom for their final summer exam

Students before entering classroom for their final summer exam

Students before their final summer exam

Group of students in their graduation ceremony

Students before entering classroom for their final summer exam

Students entering classroom for their final summer exam

Students entering classroom for their final summer exam

School students in Ayuthaya region, Thailand in front of their school

School students in Ayuthaya region, Thailand in front of their school

Students coming out of their classrooms

A group of students sitting in their classroom in Cuba

Students walk to their classes of the University of Mississippi

Students raising their hands in a classroom

At night, a sudden downpour, three middle school students used their tops to block their heads and walked in the rain.

Two high school ROTC students waiting for their dates. Two high school ROTC students waiting for their dates stock images

Some high school ROTC students along with their dates

Many old shoes hanging on a string between two houses, a practice of students, who finished their studies in Flensburg / Germany

At night, a sudden downpour, three middle school students used their tops to block their heads and walked in the rain.

Barcelona students raise their hands during demonstration for independence wide

Dschang December 15, Students are planting trees in their School

Elementary Students brush their teeth after lunch

Elementary Students brush their teeth after lunch

Elementary Students brush their teeth

Many old shoes hanging on a string between two houses, a practice of students, who finished their studies in Flensburg / Germany

Many old shoes hanging on a string between two houses, a practice of students, who finished their studies in Flensburg / Germany

Many old shoes hanging on a string between two houses, a practice of students, who finished their studies in Flensburg / Germany

Many old shoes hanging on a string between two houses, a practice of students, who finished their studies in Flensburg / Germany

Barcelona students raise their hands during demonstration for independence

Elementary Students brush their teeth after lunch

Motivated students in line to buy their books at the start of a new academic year in Maastricht

Many old shoes hanging on a string between two houses, a practice of students, who finished their studies in Flensburg / Germany

Many old shoes hanging on a string between two houses, a practice of students, who finished their studies in Flensburg / Germany