A polymer composition comprising a polyetherimide having the formula wherein n is greater than 1, each R is the same or different, and is selected from an aromatic hydrocarbon group having 6 to 30 carbon atoms, a halogenated derivative thereof, a straight or branched chain alkylene group having 2 to 10 carbon atoms, a cycloalkylene group having 3 to 10 carbon atoms, or a divalent group of the formula wherein Q 1 is selected from -O-, -S-, -C -, -SO 2 -, -SO-, and -C y H 2y - wherein y is 1 to 5 and a halogenated derivative thereof, each Z is the same or different, and is an aromatic C 6-24 monocyclic or polycyclic moiety optionally substituted with 1 to 6 C 1-18 alkyl groups, 1 to 8 halogen atoms, or a combination thereof, and the divalent bonds between the -O-Z-O- group and the phenyl substituents are in the 3,3', 3,4', 4,3', and 4,4' positions, the divalent bonds of the -O-Z-O- group being made from a bis(halophthalimide) composition comprising, based on the weight of the bis(halophthalimide) composition, at least 90 wt.% to less than 100 wt.% of a 3,3'-bis(halophthalimide) of the formula at least 1 wt.% of a 4,3'-bis(halophthalimide) of the formula and from more than 0 wt.% to less than 2 wt.% of a 4,4'-bis(halophthalimide) of the formula wherein each X is independently fluoro, chloro, bromo, or iodo and R is as defined above, and wherein the polyetherimide has: less than 2 weight percent content of the n=1 cyclic byproduct of 3,3-bis(halophthalimide) and an alkali metal salt of a dihydroxy aromatic compound of the formula MO-Z-OM, wherein M is an alkali metal and Z is an aromatic C 6-24 monocyclic or polycyclic moiety optionally substituted with 1 to 6 C 1-8 alkyl groups, 1 to 8 halogen atoms, or a combination thereof; a Tg greater than 230°C; and a viscosity that is at least 30% lower than viscosity of a polyetherimide made from a ClPAMI component having 3,4-ClPAMI in an amount that is less than 10%. n is greater than 1, each R is the same or different, and is selected from an aromatic hydrocarbon group having 6 to 30 carbon atoms, a halogenated derivative thereof, a straight or branched chain alkylene group having 2 to 10 carbon atoms, a cycloalkylene group having 3 to 10 carbon atoms, or a divalent group of the formula wherein Q 1 is selected from -O-, -S-, -C -, -SO 2 -, -SO-, and -C y H 2y - wherein y is 1 to 5 and a halogenated derivative thereof, each Z is the same or different, and is an aromatic C 6-24 monocyclic or polycyclic moiety optionally substituted with 1 to 6 C 1-18 alkyl groups, 1 to 8 halogen atoms, or a combination thereof, and the divalent bonds between the -O-Z-O- group and the phenyl substituents are in the 3,3', 3,4', 4,3', and 4,4' positions, the divalent bonds of the -O-Z-O- group being made from a bis(halophthalimide) composition comprising, based on the weight of the bis(halophthalimide) composition, at least 90 wt.% to less than 100 wt.% of a 3,3'-bis(halophthalimide) of the formula at least 1 wt.% of a 4,3'-bis(halophthalimide) of the formula and from more than 0 wt.% to less than 2 wt.% of a 4,4'-bis(halophthalimide) of the formula wherein each X is independently fluoro, chloro, bromo, or iodo and R is as defined above, and wherein the polyetherimide has: less than 2 weight percent content of the n=1 cyclic byproduct of 3,3-bis(halophthalimide) and an alkali metal salt of a dihydroxy aromatic compound of the formula MO-Z-OM, less than 2 weight percent content of the n=1 cyclic byproduct of 3,3-bis(halophthalimide) and an alkali metal salt of a dihydroxy aromatic compound of the formula MO-Z-OM, wherein M is an alkali metal and Z is an aromatic C 6-24 monocyclic or polycyclic moiety optionally substituted with 1 to 6 C 1-8 alkyl groups, 1 to 8 halogen atoms, or a combination thereof; a Tg greater than 230°C; and a viscosity that is at least 30% lower than viscosity of a polyetherimide made from a ClPAMI component having 3,4-ClPAMI in an amount that is less than 10%. a Tg greater than 230°C; and a viscosity that is at least 30% lower than viscosity of a polyetherimide made from a ClPAMI component having 3,4-ClPAMI in an amount that is less than 10%.