The 18-year-old age limit for school certificate

The directive by education minister Professor Tahir Mamman to the West African Examinations Council (WAEC) and the National Examinations Council to not register candidates who are below 18 for next year’s school certificate examinations is generating knee-jerk resistance from people who are obviously nescient of the psychology and philosophy behind age benchmarks in education.

In most countries of the world, children don’t start primary school until they are 6, and young adults don’t start university until they are 18. That used to be true in Nigeria, too—until parents chose to skirt the law, upend time-tested tradition, and commit mass child abuse in the name of fast-tracking the education their children.

In fact, contrary to what the Nigerian news media has been reporting, Professor Mamman has not created a new law; he is only implementing the existing law. He hasn’t “banned” under-18 students from taking school certificate exams; he has merely chosen to enforce an extant law, which has been serially violated by overeager parents who want their children to get ahead by any means.

The 1982 education policy, also called the 6:3:3:4 system, requires that children should be at least 5 years old to start pre-primary school and at least 6 years old to start primary school. If a 6-year-old spends 6 years in primary school, 3 years in junior secondary school, and another 3 years in secondary school, they would be 18 by the time they graduate from secondary school.

This is the global standard. In the United States, students apply to enter universities between the ages of 18 and 19 (because if you don’t turn 6 in September of the year you want to start First Grade, you have to wait until next year). In Finland, Canada, the Netherlands, Japan, South Africa, Germany, the United Kingdom, France, Denmark, etc. it is 18.

The age benchmark isn’t arbitrary. It is based on time-honored insights from developmental psychology and educational research, which examined the cognitive, social, and emotional developments of children.

For example, Jean Piaget’s stages of cognitive development tell us that around age 6, children transition from what is called the preoperational stage to the concrete operational stage, at which point they begin to develop logical thinking, which is essential for learning the structured curriculum of primary school education, such as reading, writing, and mathematics.

Research also shows that children develop the social skills needed to interact with peers and teachers in a school environment and the attention span necessary to learn, absorb information, and stay engaged at 6, and that children who start school too early struggle with these skills, which can lead to long-term challenges in academic and social areas.

That was why the late Professor Aliu Babatunde Fafunwa was famous for saying any education of children before the age of 5 is a waste of time and even child abuse. From ages 1 through 5, children should be allowed to be children: sleep, play, laugh, and grow.

Of course, I recognize that because most mothers now work, enrolling children in schools earlier than is ideal is a necessity. But the busy schedule of parents is no excuse to buck science, ignore the requirements of a well-integrated childhood, and contribute to the mass production of maladjusted adults.

Similarly, research in developmental psychology shows that by age 18, most teenagers have reached a level of emotional and social maturity that enables them to live independently, make decisions, and handle the challenges of university life.

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Neuroscientific research also shows that the brain continues to develop well into the early twenties, particularly the prefrontal cortex, which is responsible for decision-making, impulse control, and planning. By age 18, the brain has typically matured enough to handle the complex cognitive demands of higher education.

Plus, in many countries, including in Nigeria, 18 is the age of legal adulthood, which aligns with the transition to university. This legal framework supports the idea that students are ready to take on the responsibilities associated with higher education, such as managing their own time, finances, and education.

Of course, as with everything, there are always exceptions. Precocious children can and do skip grades and start university earlier than 18 even in the United States and elsewhere. There are exceptionally gifted children who graduate from university as early as 11. But such students undergo rigorous tests to determine that they have intelligence that is far ahead of normal developmental schedules. They are also few and far between.

That’s not the situation in Nigeria. Just like our bad national habit of always wanting to jump the queue—what Americans call cut in line—Nigerian parents have, over the years, developed impatience for the normal development schedules of their children and want them to get ahead against the evidence of science, common sense, and even the law of the land.

READ ALSO: FG enforces 18-year age limit for secondary school exams, university admissions

It is not because their children are exceptional. In fact, they are often mediocre. For example, my brother’s son, who is only 14 years old and with average intelligence, registered to take his WAEC exam this year. I told my brother that was inexcusable child abuse.

Nigeria has a bad reputation across the world for sending underage children not just to domestic universities but also to foreign universities. People who work at the International Student and Scholar Services at the university where I am a professor have asked me multiple times why only Nigeria sends underage students here.

The consensus is that such students often lack maturity, have difficulty engaging in adult conversations, and struggle to fit in and get the best of the opportunities they have.

Several Nigerians who teach at other U.S. universities share the same stories. As I pointed out earlier, here in the United States, like in most other countries of the world, students don’t begin their undergraduate education until they are 18, which also happens to be the age of consent. A student who is under 18, by law, can’t attend several extra-curricular activities undergraduates typically take part in.

They need waivers signed by their parents to participate in certain activities, but since their parents are often in Nigeria, they pose logistical nightmares for universities.

For example, in the United States, by law, you can’t sign a lease agreement (to rent an apartment) if you are not at least 18 years old. Many underage Nigerian undergraduates at my school require an adult to co-sign for them. Since their parents are in Nigeria, the burden often falls on Nigerian professors and staff, who are understandably reluctant to co-sign leases of underage strangers who could break their agreements and put us in legal jeopardy.

Dating is also a treacherous legal minefield for the American classmates of underage Nigerian undergraduates in American universities. Having intimate relationship with anyone who is under 18 is statutory rape, even if it is consensual. I am aware of the story of a 17-year-old second-year Nigerian undergraduate girl who had a disagreement with her boyfriend who was from another African country.

Neighbors called the police to intervene. When the police asked for their ID cards, they discovered that the Nigerian girl was underaged. It led to the imprisonment—and later deportation— of the man for statutory rape even when their relationship was consensual. Stories like this are not unique.

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Unless someone is exceptionally gifted, which should be proved conclusively with special tests, they should not start university earlier than 18. Fortunately, that is already the law, which is informed by the consensus of research findings in developmental psychology, neuroscience, and social research. Professor Mamman has only signaled his readiness to apply the law. He has my full support.

I read that the National Parent Teacher Association of Nigeria (NAPTAN) said they would sue the federal government for indicating readiness to implement a law that has been in the books for more than 40 years. Good luck with that!