What is IDEL?

Indicadores Dinámicos del Éxito en la Lectura (IDEL™) are measures developed to evaluate students’ performance in beginning reading skills in Spanish. Through this new assessment, the power of DIBELS is expanded to measure the reading skills of young Spanish-speaking readers. IDEL measures reflect the fact that Spanish, like English, is an alphabetic language, but that Spanish, unlike English, has a regular orthography in which letter sound correspondence is more transparent. 



  • Benchmark materials for grades K-3 
  • Administered three times a year
  • Progress monitoring measures for grades 1-3 can be given as often as necessary 
    to determine the effectiveness of any intervention program
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