Comparison of assessments costs, timing and indicator data

Assessments  Grade 2/3  End of
primary 
End of lower
secondary
Cost
(USD) 
Frequency
(Every x years) 
International 
PIRLS X X   $227,000 4
PISA/ PISA-D     X $199,000 3
TIMSS 4th grade – Math X X   $222,000 4
TIMSS 8th grade- Math     X
Regional 
ERCE/UNESCO X X   $300,000 6
PASEC X X   $630,000 5
PILNA X X   $97,000 3
SACMEQ   X   $150,000 6
SEA-PLM   X   $119,000 4
PISA module. Source: UNESCO Institute for Statistics