Information here were taken from the Catholic Church Directory 2008.  As such, it is deemed correct as according to the directory, not the webmaster.

BOYS' SCHOOLS

BROTHERS OF THE CHRISTIAN SCHOOL LA SALLE BROTHERS

St Xavier's Institution (1852)
Lebuh Farquhar, 10200 Penang
HM : Bro Paul Ho
Tel: 04-2610411

St Xavier's Primary School (1852)
Jalan Sekolah La Salle, 11400 Penang
HM : Mr Tan Teik Hong
Tel: 04-8292998

St Xavier's Branch School (1907)
4 Jalan Pulau Tikus, 10250 Pulau Pinang
HM : Mr Teoh Cheng Kang
Tel: 04-2266993

St George's Secondary School (1953)
Balik Pulau, 11000 Pulau Pinang
HM : En Mohamud Zabidi bin Abdul Rahman
Tel: 04-8668225

St George's Primary School (1953)
Balik Pulau, 11000 Pulau Pinang
HM : Ms Chuah Poh Cheoh
Tel: 04-8668225

Kedah

St Patrick's Secondary School (1933)
Jalan  Tunku Putra, 09000 Kulim, Kedah
HM : Mr Mohanarao a/l Atchanah
Tel: 04-4907503

St Theresa's Secondary School (1929)
Jalan Kolam Air, 08000 Sungai Petani, Kedah
HM : Mr Gan Bong Siok
Tel: 04-4212266

St Theresa's Primary School
Jalan Kolam Air, 08000 Sungai Petani, Kedah
HM : Encik Jaaffar bin Othmanl
Tel: 04-4219573

Perak

St George's Institution (1915)
Jalan Stesyen, 34000 Taiping, Perak
HM : Ms Yoong Yook Yam
Tel: 05-8072408

St George's Primary School (1915)
2 Jalan Muzium Hulu, 34000 Taiping, Perak
HM : Puan Hamsiah binti Mustafa
Tel: 05-8073539

St Francis Primary School (1956)
Jalan Raja Omar, 32000 Sitiawan, Perak
HM: Encik Zulkfly bin Meor Lop
Tel: 05-6911101

St Michael's Institution (1912)
Jalan SP Seenivasagam, 30000 Ipoh, Perak
HM : Mr Phoon Chong Chee
Tel: 05-2540418

St Michael's Primary School I (1920)
Jalan SP Seenivasagam, 30000 Ipoh, Perak
HM :
Tel: 05-2545508

St Michael's Primary School II (1920)
Jalan SP Seenivasagam, 30000 Ipoh, Perak
HM : Puan Hajjah Faezlah binti Baharuddin
Tel: 05-2537525

La Salle Primary School (1965),
Lebuh Sungai Senam, Taman Ipoh, 31400 Ipoh, Perak
HM : Mr Lai Kum Ming
Tel: 05-5455175

La Salle Primary School (1953)
Jalan Iskandar, 31900 Kampar, Perak
HM : Tuan Haji Idrus b Zainudin
Tel: 05-4661298

St Anthony's Secondary School (1947)
Jalan Sekolah, 36000 Teluk Intan, Perak
HM : Mr Chew Eng Ken
Tel: 05-6221914

St Anthony's Primary School (1947)
Jalan Sungai Nibong, 36007 Teluk Intan, Perak
HM : Encik Abdul Rahim bin Ayubr
Tel: 05-6221995

MARIST BROTHERS

SRK (C) Sam Tet
Church Road, 30300 Ipoh, Perak

SMJK Sam Tet
Jalan Sultan Idris Shah, 30300 Ipoh, Perak

SMJK Katolik (Chinese)
35900 Tanjung Malim, Perak
Tel: 05-4011241