Since 1997，the percentage of elementary and middle schools that offer foreign language courses has fallen significantly，from 3l percent to 25 percent at the elementary level and from 75 percent to 58 percent at the middle school level.However，the decline in elementary schools has appeared primarily in public schools，while the percentage of private elementary schools teaching foreign languages has remained roughly the same at 51 percent.The percentage of high schools teaching foreign languages has remained at about 91 percent.

　　Meanwhile，the number of language immersion schools designed to teach a second language to English­speaking children and young adults has actually increased.Since 1962,367 two­way immersion programs—schools that pair native English speakers with those who speak another native language—have developed in 28 states.

　　“The younger the learner is，the more likely the acquisition of a second language will be facilitated，”Adel Safty wrote in the Canadian Journal of Education.Linguistic ability shows the greatest development between the ages of 4 and 8，she wrote.

　　While the number of people who speak a language other than English at home is still relatively small，it has more than doubled over the past 30 years，according to a survey released in April.

　　People between 18 and 40 make up the largest percentage of people who speak a foreign language.The 5 to 17 age group follows closely.But，among those 41 and older，the percentage of people who speak a second language decreases.

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