Academies of Loudoun (ACL)  & Thomas Jefferson High School for Science and Technology (TJHSST)

    For any questions about the ACL or TJSST Application Process, contact Ellen.Foley@lcps.org

    Academies of Loudoun Admission Criteria

    All Applicants for both AET and AOS:

    • Currently in 8th Grade

    • Enrolled in Algebra I or above at the time of application

    • Writing Assessment

    • STEM Thinking Skills Assessment

    Finalists Only:

    • Final Grade of C or above in each course in grades 6 and 7

    ACL Application Timeline & Admissions Process:

    Academies of Loudoun Parents Only- Information Session | Thursday, August 31 | 6:30 PM | JML Auditorium

    Application window opens - August 16, 2023

    Application window closes - October 18, 2023

    Fall Admission Testing Sessions- Choose one Saturday

    October 28, 2023

    November 4, 2023

    November 11, 2023

    March 2024- Admission Offers will be posted in the Admissions Portal

    March 2024-August 2024- Applicants must accept or decline all admission offers. Waitlisted applicants will be notified as seats become available.

    ACL Virtual Information Sessions:

     The Office of Admissions will host several virtual information sessions for parents and students throughout the fall describing the application process and requirements. Families must visit the admissions webpage to register for a session.


    Recording of Evening Information Session 

    Fall Application Information for 2023

    What do I need to know about the fall admissions assessments?

    • Applicants must register for their test session after they submit their online application. This can be done by logging into your online application and clicking on the “Tasks I Can Do” menu.
    • All applicants must print and present their personal test-ticket along with a photo ID at check-in on the day of their test session. Test-tickets will be emailed to all applicants and to the primary parent email included in ParentVue at the time the applicant registers online for a test session. Applicants may revise the day and time of their test session up until the application deadline. After that, no changes will be permitted.
    • Students applying to both AET and/or AOS programs take the same assessments.
    • Applicants applying to AET and/or AOS programs only need to register for one test session. Both the STEM Thinking Test and the Writing Assessment are administered during the same session.
    • All test sessions are in-person only.
    • All tests will be completed using an online platform. Laptops will be provided by ACL for testing.
    • Applicants may request bus transportation to and from their test session at the Academies of Loudoun within the online application. For those requesting transportation, details will be emailed prior to the scheduled test session.
    • Applicants will have 45-minutes to type a response to a STEM writing prompt using an online platform.
    • The STEM Thinking Skills assessment allows applicants 50-minutes to answer 33 multiple-choice questions using an online platform.

    Where can I find more information on the assessments?

    Here are helpful links to help prepare for each assessment:

    o   STEM Thinking Skills Assessment

    o   How to Prepare for Insight Assessment Thinking Tests

    o  2023 Fall Admissions Released Writing Prompts & Scoring Rubric  




    AOS Website

    AET Website 

    ACL Admissions Website 

    Academies of Loudoun Admissions FAQ  

     2020 Fall Admissions Flyer- English

    2020 Fall Admissions Flyer- Spanish

    2020 Fall Admissions Flyer- Arabic

    2020 Fall Admissions Flyer- Farsi

    2020 Fall Admissions Flyer- Urdu

    2020 Fall Admissions Flyer- Vietnamese 

     If you have any questions, you may contact the ACL Admissions Office via email at ACLAdmissions@lcps.org


    2023-2024 TJHSST Application & Admission Information

    Updated Application Information

    TJHSST Parent & Student Information Session | Thursday, September 7 | 6:30 PM | JML Auditorium 



    Students who meet the eligibility requirements may begin the application process for Thomas Jefferson High School for Science and Technology (TJHSST). Please read the information below and visit the TJHSST Admissions Office website for more details about this process.


    Are you eligible to apply?

    • Are you a student in 8th grade?

    • Are you interested in STEM (Science, Technology, Engineering, and Mathematics)?

    • Do you have a Grade Point Average of 3.5 or greater?

    • Are you in Algebra I or a higher mathematics class?

    • Are you taking one additional Honors Class?

    • Check out the eligibility requirements here .

    To learn more about TJHSST, see below to view the Freshman Application video.



    For other important details, go to the TJHSST Admissions webpage.

    Questions can be directed to the TJHSST Admissions Office at TJAdmissions@fcps.edu or (571) 423-3770.


Last Modified on September 15, 2023