although enrollment at schools in the country is rising.To help dropout students, voluntary centersare training some of these children to return to school.At these centers, children learn to read and writeso they can study what they have missedwhen they were out of school.One student, 8-year old Muskan Khatoon,is enrolled at a center in a poor neighborhood in New Delhi.Before going to the center, she had moved to a villageafter her father had an accidentwhich put him out of work in the city.She dropped out of the village schoolafter struggling with a common problemin rural areas: poor teaching."I did not get books, the teacher used to teach for two hours, then go home," she said.Because Muskan fell behind,she could not get into a regular schoolwhen she returned to New Delhi.There are millions of children in India like her.In 2014, nearly 20 percent of childrendid not complete primary education.Sakshi is a teaching centerthat gives dropouts the skills they needto return to mainstream schools.Zuber Khan is Director at Sakshi.He says thousands of rural migrantsare flowing into cities in search of jobs.He says they struggle to register their children in schools.Khan says that migrant familiesoften come in the middle of the school yearwhen school registration is closed.And they often do not have any proof of identification.There are other issues that keep children out of schoolalthough free primary education in India is now a right.Amina Jha teaches at the Sakshi center.She says many children stay at home to do houseworkand take care of brothers and sisters as both parents work."Especially girls. There are 19 children in my classwho do not know the basic alphabet."To deal with this problem the centers sometimespermit children to come late after doing housework.They also provide them with food and books.Studies show that many illiterate familiesdo not understand the importance of education.Motivating parents, then, is important to keeping children in school.In the neighborhood in New Delhi,many children are registering in regular schoolsafter a year of informal education.Jha says now parents are more willing to send children to the center."Children who used to play in the lanes now go to government schools.They wear uniforms. They know how to write, how to talk.That has made parents happy."Getting children into school is important for India's future for many reasons.The country has the highest populationof under 15-year-olds in the world.