Indonesia's declining scores in a recent global education quality survey has raised doubts about whether the country would be able to take full advantage of its highly flaunted demographic bonus, which was supposed to provide an abundance of young and productive people in the next decade. The triennial survey, the Program for International Student Assessment (PISA), run by the Organization for Economic Cooperation and Development (OECD), showed that Indonesia suffered a decline in all three assessed abilities in 2018, with reading experiencing the greatest drop from 397 to 371. Mathematics also saw a decline from 386 to 379 and science from 403 to 396. All the scores were below OECD's average scores of 487 for reading and mathematics and 489 for science.   The survey was carried out on 15-year-old students in 79 countries, including 12,098 students from 397 sch...