Silver SignalSelective
COSMOS: UC San Diego
Overview
A highly selective four-week residential summer program for advanced high school and middle school students focusing on mathematics, science, technology, and engineering through themed cluster courses.
At a glance
Deadline
Feb 687 days
Sessions
Jul4 wk sessions
Formats
Residential
Location
San Diego, CA
Cost
$3,000–$6,999from $5,518
Entering grades
8th, 9th, 10th, 11th, 12th
Acceptance
Highly selective; average admitted student GPA 3.8 unweighted; faculty review based on entire application, cluster fit, math/science course performance, essays, and extracurriculars
Application requirements
Residency
California residents only for 2026 in-person program
Grade Level
Completing grades 8–12 by summer of attendance
Application
Online application with one or two teacher recommendations from math/science teachers
Transcripts
Current year and at least one preceding year (unofficial electronic accepted during application)
Essays
Essay required for First and Second Choice Cluster selections
COVID Requirements
Proof of vaccination and negative test result prior to arrival
One-Time Attendance
Students may attend COSMOS only once
Cost & sessions
Tuition amount not specified on website; application fee amount not specified; acceptance deposit required (1/3 of total tuition, non-refundable); includes course/lab materials, room and board, field trip transportation
Financial aid
Financial assistance available for California residents; eligibility requirements and consideration process on COSMOS Statewide Financial Assistance tab; Financial Assistance form (online) required to request aid
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