Armstrong Elementary

22750 Beaverhead Dr., Diamond Bar, 91765

public

ENROLLMENT
400
STUDENT-TEACHER RATIO ?
21:1
UNOFFICIAL API RANK ?
6/10
DIVERSITY RANK ?
9/10

Student body

  • Enrollment: 400 students
  • Free and reduced-price lunch: 44.6% ?
  • English language learners: 11.5%
  • Diversity rank: 9/10 ?
Student body ethnicity
Source: 2012-13 state data

Faculty

  • Total teachers: 19
  • Student-teacher ratio: 21:1 ?
Source: 2012-13 state data

Performance

Academic Performance Index (API)

Unofficial Rank: 6/10
Source: 2008-2013 state data

California Standards Tests (STAR)

Students scoring "proficient" or above:
2013
2012
2011
2010
2009

No Child Left Behind (AYP)

Fail: Missed two of 13 federal targets for 2012

Fail: Missed two of 13 federal targets for 2011

Fail: Missed one of 13 federal targets for 2010

Pass: Met federal targets for 2009

Pass: Met federal targets for 2008

Pass: Met federal targets for 2007

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