Examinees at the Viet Duc High School in Hanoi show ​their relaxed moodbefore taking the first test of the 2017 examination on June 22 morning

Some students even wear red shirts to wish for luck in the exam

A student does some revision before the first test begins at the Viet Duc High School

A voluntary university student helps examinees to remove the label of a water bottle, which is meant to prevent cheating during the exam

Relatives of students wait for their children to take the exam

Voluntary university students distribute free newspapers to relatives of examinees outside the Le Quy Don High School in District 3 of Ho Chi Minh City

Voluntary university students show placards supporting examinees in front of the Le Quy Don High School in District 3 of Ho Chi Minh City

Policemen are deployed to ensure security and order at the Soc Son High School in Hanoi

A proctor checks personal cards of an examinee before the student enters the test room

Examinees begin to take the first test at the Viet Duc High School on June 22 morning

Students take the test on literature at the Nam Dan 1 High School in Nam Dan district, Nghe An province

Students take the literature test at the Hoang Van Thu High School in Hanoi 

Students discuss after finishing the first test at the Chu Van An High School in Thai Nguyen province

Students discuss after finishing the first test at the Chu Van An High School in Thai Nguyen province

Some students show their joy after the first test at the Viet Duc High School in Hanoi

A student and his relative show their happiness after the first test is over at the Viet Duc High School in Hanoi