什么是API？API是加州教育体系衡量每一间公立学校的学业表现的学术表现成长指数（Academic Performance Index Growth)，简称API。 API数值从最低200点到最高1000点，是判定学区好坏的最重要指标。
以下为洛杉矶地区学校的API信息，首先发布华人人口占比较大的城市信息，供您在选择居住地时参考
2013年度，全加州学校平均成绩： 小学 811， 中学800， 高中 757
1 Arcadia 亚凯迪亚
| API | |
| ARCADIA UNIFIED | 929 |
| Elementary Schools | |
| Baldwin Stocker Elementary | 971 |
| Camino Grove Elementary | 932 |
| Highland Oaks Elementary | 964 |
| Holly Avenue Elementary | 910 |
| Hugo Reid Elementary | 943 |
| Longley Way Elementary | 948 |
| Middle Schools | |
| First Avenue Middle | 965 |
| Foothills Middle | 977 |
| Richard Henry Dana Middle | 956 |
| High Schools | |
| Arcadia High | 893 |
2 Temple City 天普市
| API | |
| TEMPLE CITY UNIFIED | 899 |
| Elementary Schools | |
| Cloverly Elementary | 903 |
| Emperor Elementary | 931 |
| La Rosa Elementary | 878 |
| Longden Elementary | 907 |
| Middle Schools | |
| Oak Avenue Intermediate | 932 |
| High Schools | |
| Temple City High | 880 |
3 San Marino 圣马力诺
| API | |
| SAN MARINO UNIFIED | 953 |
| Elementary Schools | |
| Carver Elementary | 967 |
| Valentine Elementary | 953 |
| Middle Schools | |
| Huntington Middle | 978 |
| High Schools | |
| San Marino High | 932 |
4 South Pasadena 南帕萨迪纳
| API | |
| SOUTH PASADENA UNIFIED | 920 |
| Elementary Schools | |
| Arroyo Vista Elementary | 927 |
| Marengo Elementary | 958 |
| Monterey Hills Elementary | 933 |
| Middle Schools | |
| South Pasadena Middle | 937 |
| High Schools | |
| South Pasadena Senior High | 891 |
5 Walnut 核桃市
| WALNUT CREEK ELEMENTARY | 907 |
| Elementary Schools | |
| Buena Vista Elementary | 886 |
| Indian Valley Elementary | 916 |
| Murwood Elementary | 880 |
| Parkmead Elementary | 916 |
| Walnut Heights Elementary | 936 |
| Middle Schools | |
| Walnut Creek Intermediate | 906 |
6 Diamond Bar 钻石吧
| API | |
| WALNUT VALLEY UNIFIED | 909 |
| Elementary Schools | |
| Castle Rock Elementary | 935 |
| Collegewood Elementary | 902 |
| Cyrus J. Morris Elementary | 882 |
| Evergreen Elementary | 933 |
| Leonard G. Westhoff Elementary | 955 |
| Maple Hill Elementary | 930 |
| Quail Summit Elementary | 954 |
| Vejar Elementary | 921 |
| Walnut Elementary | 885 |
| Middle Schools | |
| Chaparral Middle | 929 |
| South Pointe Middle | 921 |
| Suzanne Middle | 940 |
| High Schools | |
| Diamond Bar High | 877 |
| Walnut High | 892 |
7 Azusa
| API | |
| AZUSA UNIFIED | 738 |
| Elementary Schools | |
| Alice M. Ellington Elementary | 794 |
| Charles H. Lee Elementary | 793 |
| Clifford D. Murray Elementary | 727 |
| Gladstone Street Elementary | 769 |
| Henry Dalton Elementary | 712 |
| Magnolia Elementary | 729 |
| Mountain View Elementary | 725 |
| Paramount Elementary | 803 |
| Valleydale Elementary | 730 |
| Victor F. Hodge Elementary | 816 |
| W. R. Powell Elementary | 746 |
| Middle Schools | |
| Center Middle | 740 |
| Foothill Middle | 740 |
| Slauson Intermediate | 721 |
| High Schools | |
| Azusa High | 727 |
| Gladstone High | 732 |
8 West Covina 西柯文纳
| API | |
| WEST COVINA UNIFIED | 831 |
| Elementary Schools | |
| California Elementary | 841 |
| California Virtual Academy @ Los Angeles | 741 |
| Cameron Elementary | 865 |
| Merced Elementary | 906 |
| Merlinda Elementary | 872 |
| Monte Vista Elementary | 842 |
| Orangewood Elementary | 844 |
| San Jose Charter Academy | 928 |
| Vine Elementary | 882 |
| Wescove Elementary | 832 |
| Middle Schools | |
| Edgewood Middle | 788 |
| Hollencrest Middle | 853 |
| Walnut Grove Intermediate | 798 |
| High Schools | |
| Edgewood High | 819 |
| West Covina High | 785 |
9 Rowland heights 罗兰岗
| API | |
| Rowland Heights unified | |
| Elementary Schools | |
| Blandford | 927 |
| Hollingworth | 787 |
| Hurley | 749 |
| Jellick | 772 |
| Killian | 879 |
| Northam | 763 |
| Rorimer | 760 |
| Rowland | 757 |
| Shelyn | 848 |
| villacorta | 747 |
| Yorblta | 778 |
| Middle School | |
| Alvarado | 897 |
| Giano | 766 |
| Rincon | 733 |
| High School | |
| Nogales | 710 |
| Rowland | 838 |
