Scholastic Testing Service, Inc. offers products and scoring services for all types of educational assessment needs.
View and download the STS Catalog of Products
To go to our different sites, choose from the following links:
- STS Online Store – to purchase many STS products
- STSUsers.com – for registered STS customers
- High School Placement Test (HSPT®) product information
- Torrance® Tests of Creative Thinking (TTCT) production information
- Torrance® Tests of Creative Thinking (TTCT) – Scoring Prenotification
- STS – Authorized Research Use – Permissions Request
- Contact STS at 1.800.642.6787 or by E-Mail: sts@ststesting.com
Scholastic Testing Service, Inc. 