There are a number of OLPC pilot schools that are working with children, teachers and communities in the field. Many of these are in smaller rural towns.
Here is a Google Map of the current trial schools, also showing countries having bought XO laptops and countries benefiting from the G1G1 program.
Africa - Middle East
- Najmi (Muthanna province) - see also  "Iraq’s Schoolchildren Get Computers with U.S. Help"
- Sao Paulo - see also  "Brazil to receive first OLPC notebooks"
- Porto Alegre - see also  "Inside One Laptop per Child: Episode 04",  "OLPC tv"
- Port au Prince - see also  "Waveplace in Haiti"
- Paramaribo - see also  "Suriname to pilot Laptop programme per child"
- Manila - see also  "OLPC to pilot in Don Bosco Technical School"