- 27 Feb 2026
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Consolidating and Merging Person Records
- Updated 27 Feb 2026
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Slate provides a powerful system for identifying and consolidating duplicate records. With this power must come caution and an understanding of how Slate identifies duplicates and how Slate merges these records.
When two person records are identified in Consolidate Records as duplicates, Slate determines which record is the higher quality main record and the lower quality duplicate record. Slate uses the following qualities for this assessment, in decreasing order of significance:
Application submitted
Application started
Directly updated from a form or event
Imported from a search list
Data sections that support multiple, time-stamped values, such as interactions, test scores, materials, and application tabs are merged, and no data is deleted. Data sections that support singular values keep the value from the higher quality record.
🔔 Important!
Recently merged records are eligible to be unmerged, but this is not an undo button: it is the first step toward recreating the duplicate record that was erroneously merged.
Duplicate Evaluation Process
The following duplicate searches are employed for Person records:
First + Last + Email: Exact match on first name, last name, and rank #1 email address.
Reversed Name + Email: Match on rank #1 email address and name, where the first name exactly matches the last name of the other record and the last name exactly matches the first name.
Address + Partial (First + Last): Exact match on street address and postal code and partial match (first 3 letters) of first name and last name.
First + Last + Birthdate: Exact match on first name, last name, and birthdate.
Reversed Name + Birthdate: Exact match on birthdate and name, where the first name exactly matches the last name of the other record and the last name exactly matches the first name.
Nickname + Last + Birthdate: Exact match on last name and birthdate, where the first name of one record is a common nickname for the first name of the other record. For example, Abby is a common nickname for Abigail.
Nickname + Last + Email: Exact match on last name and rank #1 email address, where the first name of one record is a common nickname for the first name of the other record.
Email: Exact match on rank #1 email address.
SSN: Exact match on SSN, excluding generic numbers like
000000000,111111111,999999999, and123456789.First + Last + CEEB: Exact match on first name, last name, and CEEB code, excluding generic CEEBs like
0000,9999,000000, and999999.Fields marked as containing unique IDs, such as Common App ID or SIS IDs.
Slate ID: Exact match on Slate Override IDs.
Matching on email address
Note that the matching criteria used in Upload Dataset, and upon form submission, only include the rank #1 email address when evaluating potential matches.
Email addresses on the device table that are not rank #1 are not evaluated for matching, nor do they appear in Consolidate Records.
