ESTAR/MSTAR

ESTAR/MSTAR Screener

Elementary Students in Texas: Algebra Ready (ESTAR) and Middle School Students in Texas: Algebra Ready (MSTAR) Universal Screeners


The Elementary School Students in Texas: Algebra Ready (ESTAR) and Middle-School Students in Texas: Algebra Ready (MSTAR) Universal Screeners (US) are an online formative assessment system administered to students in grades 2–4 (ESTAR) and grades 5–8 (MSTAR).

The purpose of the ESTAR/MSTAR US is to help guide instructional decisions in relation to students’ readiness for algebra. The results can be used to help teachers determine if students are on track for meeting curricular expectations for algebra readiness.

Administration Windows

  • Universal Screener

The 2019–2020 administration windows for the ESTAR/MSTAR Universal Screeners have been scheduled as follows:

  • Fall: August 19, 2019 – October 11, 2019
  • Winter: January 6, 2020 – February 7, 2020
  • Spring: April 13, 2020 – May 8, 2020

The ESTAR/MSTAR Universal Screeners can be accessed at https://www.estarmstar.org/login.

If you have questions or need assistance related to the ESTAR/MSTAR US or DA, please contact mathtx@esc13.net.

Getting Started

Download the ESTAR MSTAR Manual

Download the Universal Screener FAQ


ESTAR/MSTAR Diagnostic

Elementary Students in Texas: Algebra Ready (ESTAR) and Middle School Students in Texas: Algebra Ready (MSTAR) Diagnostic Assessment

The ESTAR/MSTAR Diagnostic Assessments (DA) are administered only to students identified through the ESTAR/MSTAR US as struggling with algebra-readiness. The DAs are used to identity why students are struggling with algebra-related instruction and to provide information to plan supplemental instruction.

Administration Windows

  • Diagnostic Assessment

The 2019–2020 administration windows for the ESTAR/MSTAR Diagnostic Assessments have been scheduled as follows:

  • Fall: August 26, 2019 – October 18, 2019
  • Winter: January 13, 2020 – February 14, 2020
  • Spring: April 20, 2020 – May 15, 2020

The ESTAR/MSTAR Universal Screeners can be accessed at https://www.estarmstar.org/login.

If you have questions or need assistance related to the ESTAR/MSTAR US or DA, please contact mathtx@esc13.net.

Getting Started

Download the ESTAR MSTAR Manual

Download the Universal Screener FAQ