Tanzania's school system is catered towards the wealthy.[7] Less than 30 percent of students achieve secondary education, and the language barrier between primary and secondary education is much of the issue. The language of education for primary school is Kiswahili while the language of secondary school is English. Many children have no prior experience with English, and there is typically no free extra or private help available. The country has been considering whether to standardize the language of instruction for the whole educational system. Around 60 percent of all teachers are under qualified, there is a lack of incentive and instructional materials, and many of the public schools are located in extremely poor areas. Private primary schools are very few, and they are English medium and expensive.[1] Private secondary schools are also costly, more so even, but they often have a higher demand because children who do not pass the Primary School Leaving Exam after Standard 7 exam cannot enroll in a government secondary school. Private schools have smaller class sizes and better resources but charge tuition of around TSh 1.5 to 2 million per year, which is not feasible for the majority of families. The government is attempting to standardize the delivery of education and lower costs.