in the plains; and attracting quali- less education than boys (see boxfied teachers to remote areas has Big is not necessarily bad on page 50). Since the mere exisprovedto be extremely difficult. Class sizes vary widely in the developing tence of a school does not auto-There is often much that can be world-at elementary schools, from matically mean it is used by allaccomplished by administrative more than 60 in four countries (Chad, those eligible to attend, specialaction with relatively little capital Malawi, Congo-Brazzaville and Central measures may be needed to eninvestment.Repetition of classes African Republic) to less than 25 inseven (Iraq, Barbados, Bolivia, Uruguay, sure that the education offered isand early dropout may be the Romania, Mauritania and Mauritius). attractive to the families for whomresult of excessively high promo- Yet once classes have more than 40 it is intended (see pages 78-79).tion standards. In these circum- students, varying their size has almoststances, the flow of students can no effect on student learning (though QUALITY OF EDUCATION. This isbe accelerated by more automatic larger classes may weaken discipline QUalIy oF developing counandteacher morale). Between 15 andpromotion-while maintaining 40, students learn more in smaller tries, and has been found (forquality by correcting some of the classes (and still more in even smaller example, in studies undertaken incauses of repetition or dropout. classes), but the benefits are slight. For Thailand, Malaysia and the Philip-In many situations, resources can example, reducing an elementary-school pines) to be lower still for poorbe freed for extending educationexpectedclass fromto improve40 pupilsaverageto 15achievebyraising student-teacher ratios, ment (in a standard test) by only about public schools may lead the well-can be and rural pupils. Poor qualitywhich are the main determinant 5 percentage points. By the same token, to-do to choose private schoolsof unit costs (given teacher salaries) amodestincrease-from35to40pupils, for their children, reinforcingand are largely determined by say-might reduce achievement by only social and economic inequality.a single percentage point. While thereclass size. Extensive research shows are obvious practical limits to increasing Casual observation and smallthatclass size has surprisingly little classes much above 50, the research scale studies have long suggestedeffect on learning (see box). It is does suggest that, for classes initially that poor training of teachers, lackimportant to maximize the use of below 50, little will be lost if they are of textbooks, and inadequate schoolavailable facilities-by rotating increased. facilities lead to poor educationalclasses, with staggered scheduling In sparsely populated areas, larger results and provide a weak basisclasses-if that means fewer schoolsanddouble shifts in areas of high may increase the time it takes children for subsequent training. But broadpopulationdensity. If there are to get to school. That could be a genuine based evidence to demonstratenot enough pupils within an discouragement, though in most places the extent of the resulting learningacceptable distance from school to population density is high enough not losses has only recently becomefill individual classes, student- to make it so. available-from a large researchteacher ratios and the use of spaceproject, the International Evaluationcan be significantly improved by of Educational Achievement. Buttaking new students only in alter- only four developing countriesnate years (as has been done suc- to their traditional way of life; or (Chile, India, Iran and Thailand)cessfully in a project financed by the they may simply believe that social were among the 19 countries<strong>World</strong> <strong>Bank</strong> in Malaysia) and by or ethnic barriers are too great, or covered.teaching more than one grade in a the quality of the available school- While international comparclass,as in another <strong>World</strong> <strong>Bank</strong>- ing too low, to make education isons of student achievement mustfinanced project in El Salvador. worth its costs. For poor families, be approached gingerly, particuthehelp of children at home-in larly when different languages orUSE. Since most poor parents animal care, fetching fuel and testing styles can affect the results,believe that education would water, taking care of young chil- a clear pattern nonetheless emergesbenefit their children-in terms of dren while adults work, and in from the study. Differences instatus and the ability to stand up agricultural work during busy average performance of studentsto officials and merchants, as well seasons-may conflict with a fixed from the 15 developed countriesas in a more narrowly economic school schedule. For some families, varied somewhat from subject tosense-they must have strong rea- malnutrition and poor health of subject and country to country;sons for not sending their children children may lead to poor atten- but the differences by and largeto school if they have the chance. dance, inattention while in school, were small. The developing coun-They may question whether they repetition of grades and, even- tries, however, did far less wellwillbenefit themselves; they may tually, dropping out. And there are in all subjects tested, and at eacheven regard the school as a threat particular reasons that girls receive of the three age levels examined.52
A typical finding showed the mean or defer spending on learning resources to improve health. Byscore for students in a developing materials. But this is a costly the end of the 1960s it was increascountryto be in the bottom 5 to alternative if costs are considered ingly plain that health care systems10 percent of students from a in terms of the education provided modeled on those in the developeddeveloped country. Some of the rather than simply per student world were not the quickest,handicaps of children in develop- in school. cheapest or most effective way toing countries may be due to lower * Properly designed and sup- improve the health of the majoritylevels ol: parental education (which ported radio projects have poten- of people in developing countries.has a substantial impact, particu- tial for improving learning (and in The 1970s have thus witnessedlarly in the preschool years) or certain cases reducing costs). To the evolution of a much broaderin some cases to prolonged mal- take a well-documented example, approach to health policy, incLudingnutrition. But the evidence suggests in Nicaragua regular radio broad- an emphasis on universal low-costthat they are mainly a reflection of casts achieved dramatic improve- basic health care. But despite somelow-quality schooling. ments in mathematics for primary successful experiments, "primaryThere are a number of promising students. Although new tech- health care" is still more of aapproaches to improving education- nologies and growing experience slogan than a nationwide realityal quality in developing countries. are increasing the educational in most developing countries. To* The curriculum should take potential of television, lack of rural change this is the greatest healthinto account the linguistic and electricity and the high costs of challenge of the 1980s.home backgrounds of students. capital, maintenance and operationFrequently curricula are too de- put it out of reach for most countries. Life expectancy and mortalitymanding, which only exacerbates Research into these approaches There is considerable variationtendencies to repeat classes or has indicated important potential, among developing countries. Indrop out, particularly for those but it remains to be seen how 11 of the richer ones, life expectancyfrom poor homes. Whenever much they can improve quality is 70 years or more-close to thepossible, subjects should be within the constraints of politically average level (74 years) in indusillustratedwith examples that feasible budgets. This underlines trialized countries. But in lowdrawon the child's experience. the importance of finding cheap income countries, life expectancy* The selection and training of ways to improve quality if the averages only 50 years, and severalteachers should be improved educational gaps between devel- countries are under 45. Thusthrough more training facilities, oping and developed countries, and despite the health improvementsgreater use of in-service training, between rich and poor in develop- that have occurred throughout theand more resources-teachers' ing countries, are to be narrowed. developing world over the pastguides, advisory services, mass-three decades, the gap betweenmedia programs and bulletins. This Health developed and developing countakestime, however; for manytries remains wide.countries, better teaching will be In general terms, the determinants Babies born in a developingas much a consequence as a source of health have long been well known. country will on average live 20of improved quality in schools. One is people's purchasing power years less than those born in the* The design, production and (which depends on their incomes industrialized world. About halfdistribution of learning materials and on prices) over certain goods of this difference can be explainedshoulcd be upgraded. This applies and services, including food, by what happens in the first fiveparticularly to textbooks, because housing, fuel, soap, water and years of life. Some 17 percent ofresearch indicates that increasing medical services. Another is children in developing countriestheir availability is the most con- the health environment-climate, (and more than 30 percent insistently effective way of raising standards of public sanitation and several of the poorest) die beforeeducational standards. A nation- the prevalence of communicable their fifth birthday; in industrializedwide textbook project supported diseases. A third is people's countries, only about 2 percentby the <strong>World</strong> <strong>Bank</strong> in the Philip- understanding of nutrition, health do. Mortality rates among childrenpines significantly increased stu- and hygiene. aged one to four in low-incomedent learning while increasing Knowledge is still evolving, countries are frequently 20-30costs per student by only 1 per- however, on the relative importance times those in industrialized councent.When school budgets are of these different factors, and on tries, and sometimes even more.squeezed, it is all too easy to cut the best ways to deploy govemment Although the gap tends to narrow53
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t' 8 ~~~~ottoWorld Development Repo
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Oc 1980 by the International Bankfo
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ivThis report was prepared by a tea
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Text tables2.1 Summary of prospects
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DefinitionsCountry groups in the an
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Montgomery survey administra- publi
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AnnexWorldDevelopmentIndicators
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Table 13. Balance of Payments and D
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IntroductionThe World Development I
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GNP per capitaAverage indexAverageo
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Average annual growth rate (percent
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Distribution of gross domestic prod
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Average annual growth rate (percent
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Distribution of gross domestic prod
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Distribution of value added (percen
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EnergyEnergyconsumptionAverage annu
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Merchandise tradeAverage annual gro
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Percentage share of merchandise exp
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Percentage share of merchandise imp
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Destination of merchandise exports
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Destination of manufactured exports
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Current accountbalance before Inter
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Public and publicly guaranteed medi
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External public debtoutstanding and
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Amount1981a 1982a 1983a 1984a 1985a
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Average annualHypotheticalgrowth of
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PercentageCrude Crude Percentage Pe
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Percentage ofpopulation ofworking a
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Percentage of urban population Numb
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Life Infant Childexpectancy mortali
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PercentageDaily calorie supplyPopul
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Number Numberenrolled in enrolled i
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Percentage share of household incom
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Average index Tables 4 and 5. Growt
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28 (minerals, crude fertilizers and
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continues to grow after replacement
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posttax income and conceptually tic
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-~~~ S-~~~~~ sEuropean Office:66, a