Most jobs are in the military, police, and intelligence forces. But Iraqis say those jobs are only attained through family ties or bribes.
Authorities boosted security after last year's tests were marred by widespread lawlessness and mass cheating.
The 104-acre, 21-building enclave was cleared for occupancy recently and will open next month.
The summit of Arab neighbors Tuesday is the third attempt to gain more support for Iraq's reconstruction from Sunni states. Baghdad's crackdown on Shiite militias may help.
A sprinter and an archer – two of the four Iraqis who have qualified so far – struggle to train amid sectarian divides and a dearth of equipment.
President Mahmoud Ahmadinejad met with key Iraqi leaders and offered the country a $1 billion loan as he began a two-day visit Sunday.