I am looking for a condo near a good primary school in Singapore.

Absolutely, Here are 12 Apartment / Condo projects within 1km of Catholic High School (Primary Section).

Project Name	Tenure	Completion	No. of Units	Avg PSF*	Dist (m)
MARYMOUNT VIEW	Freehold	1992	68	1,668	488
BOONVIEW	Freehold	2003	120	1,645	501
SEASONS VIEW	99 yrs from 06/09/1996	2000	224	1,394	519
CLOVER BY THE PARK	99 yrs from 10/09/2007	2011	616	1,930	600
TRESALVEO	Freehold	2012	176	2,038	608
BISHAN 8	99 yrs from 09/10/1996	2000	200	1,801	628
SKY VUE	99 yrs from 04/03/2013	2016	694	2,201	703
JADESCAPE	99 yrs from 19/06/2018	2022	1,206	2,295	791
SKY HABITAT	99 yrs from 30/05/2011	2015	509	1,965	799
RAFFLESIA CONDOMINIUM	99 yrs from 18/07/1997	2003	230	1,570	803
SIN MING PLAZA	Freehold	1992	102	1,697	965
Artisan 8	Freehold	Uncompleted	34	2,392	986

*Based on URA sales data in the last 12 months. Otherwise, based on latest transaction